SOHO-LASCO Comet Reports for 200205

May 01 2002 14:55:53 Rainer Kracht
R.Kracht@t-online.de
possible comet in C2 images

b/w 512*512 from the LASCO website
enlarged to 1024*1024
0,0 in upper left corner

Date Time x y
20020501 1726 304 1012
20020501 1806 324 984
20020501 1826 334 970

Regards, Rainer
May 01 2002 16:02:49 Rainer Kracht
R.Kracht@t-online.de
UPDATE possible comet in C2 images

b/w 512*512 from the LASCO website
enlarged to 1024*1024
0,0 in upper left corner

Date Time x y 1024 x 1024
20020501 1726 304 1012 behind time stamp
20020501 1806 324 984 326 984
20020501 1826 334 970 335 970
20020501 1850 invisible invisible

This is not much, but I think its real.
It looks like a dissolving Kreutz sungrazer, not like noise.
First b/w image shows a small comet with head and short tail.
Next two images show a small, shrinking cloud (coma).

Regards, Rainer
May 01 2002 16:43:05 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

Hi all,
Haven't yet checked on R. Kracht's most recent claim.
I've added a link on the "Found Something?" page to Rainer's pages
showing the trajectories of the other comet groups.

Confirming two recent claims by R. Kracht in C2 images.

#COMMENT: COMET SOHO-433
# HEIGHT DATE TIME ANGLE TEL FC COL ROW
5.28 2000/05/06 05:26:05 63.1 C2 10 128.0 700.0
5.42 2000/05/06 05:50:05 60.0 C2 10 129.0 726.0
5.52 2000/05/06 06:06:05 58.2 C2 10 129.0 742.0
5.64 2000/05/06 06:26:05 55.9 C2 10 130.0 763.0
5.80 2000/05/06 06:50:06 53.3 C2 10 132.0 788.0
6.05 2000/05/06 07:26:48 49.8 C2 10 134.0 824.0
6.32 2000/05/06 08:06:05 45.9 C2 10 140.0 864.0
6.45 2000/05/06 08:26:05 44.3 C2 10 143.0 882.0
6.71 2000/05/06 09:06:05 41.0 C2 10 151.0 919.0
6.83 2000/05/06 09:26:05 39.5 C2 10 155.0 936.0
6.98 2000/05/06 09:50:05 37.7 C2 10 161.0 957.0
7.23 2000/05/06 10:26:09 35.1 C2 10 170.0 989.0
7.35 2000/05/06 10:50:05 33.5 C2 10 178.0 1007.0
7.44 2000/05/06 11:06:05 32.5 C2 10 183.0 1019.0

and

#COMMENT: COMET SOHO-434
# HEIGHT DATE TIME ANGLE TEL FC COL ROW
4.47 2000/07/04 15:50:06 333.9 C2 10 670.0 826.0
4.57 2000/07/04 16:06:05 337.1 C2 10 655.0 842.0
4.69 2000/07/04 16:26:05 340.4 C2 10 639.0 859.0
4.84 2000/07/04 16:50:06 344.3 C2 10 618.0 879.0
4.98 2000/07/04 17:06:06 346.8 C2 10 604.0 894.0
5.14 2000/07/04 17:26:05 349.7 C2 10 587.0 911.0
5.32 2000/07/04 17:50:05 353.1 C2 10 565.0 930.0


A claim by X.-M. Zhou is being added to our list of denied comets.
This is a list we are maintaining of objects which might be comets
but don't meet our minimum criteria.

# HEIGHT DATE TIME ANGLE TEL FC COL ROW
6.10 2002/04/26 10:26:05 190.0 C2 10 595.0 14.0
5.88 2002/04/26 10:50:05 191.6 C2 10 605.0 35.0
5.73 2002/04/26 11:06:05 192.8 C2 10 612.0 49.0
May 01 2002 16:50:16 Rob Matson
matsonr@saic.com
Hi All,


I can confirm Rainer's C2 comet based on the follow-up
1024 x 1024 images. It's very dim, and fading, but it's
real. Coordinates to follow in next message. --Rob
May 01 2002 16:51:43 Rainer Kracht
R.Kracht@t-online.de
UPDATE Kreutz sungrazer in C2 images

1024 x 1024 0,0 in upper left corner

Date Time x y
20020501 1726 304 1012 from enlarged b/w image
20020501 1806 326 984
20020501 1826 335 970
20020501 1850 349 953 ?
20020501 1906 359 940
20020501 1926 369 926

Sebastian pointed out that it is still visible in the
images from 1906 and 1926.

Regards, Rainer
May 01 2002 16:54:19 Rob Matson
matsonr@saic.com
Follow-up on dim, diffuse comet in C2.  1024 x 1024

coords (0,0 upper left):

05/01 18:06 326, 983
18:26 336, 970
18:50 350, 951 (tough) 19:06 359, 940
19:26 369, 926

Congrats Rainer! --Rob
May 01 2002 18:48:17 Mimeev Alexander
alexpm@imail.ru
Hello all!


I has checked object on program.
This certainly comet, though and much diffuse.

time/ x / y / brightness (0-255)
1806 325 38=985 /78
1826 336 53=970 /75
1850 350 71=952 /79
1906 360 83=940 /84
1926 371 98=925 /85

length of way 75.604
velocity of object = 0.945 /average = 0.900/
velocity of object on axis X = 0.575 /average = 0.543/
velocity of object on axis Y = 0.750 /average = 0.732/

Congrats Rainer!

Alexander Mimeev
May 02 2002 08:17:12 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

I agree. That makes it SOHO-435. R. Kracht's claim for a C2
comet on May Day is confirmed officially. Rough positions given
below.

Doug
#COMMENT: COMET SOHO-435
# HEIGHT DATE TIME ANGLE TEL FC COL ROW
6.56 2002/05/01 17:26:05 157.6 C2 10 304.0 12.0
6.17 2002/05/01 18:06:06 158.6 C2 10 325.0 39.0
5.96 2002/05/01 18:26:05 159.2 C2 10 336.0 53.0
5.70 2002/05/01 18:50:05 159.9 C2 10 349.0 71.0
5.53 2002/05/01 19:06:05 160.5 C2 10 359.0 83.0
5.33 2002/05/01 19:26:06 161.2 C2 10 369.0 97.0
5.08 2002/05/01 19:50:05 162.2 C2 10 383.0 114.0

May 02 2002 10:23:08 David Crain
djcrain@wacool.net
 5  332 343  20020502 1042  3855522   8615622

6 355 382 20020502 0942 3855462 1.222E7
7 372 441 20020502 0842 3855402 1.691E7

These positions from C3 from upper left to Sun

I think this is probably noise though.

May 02 2002 10:33:46 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

Announcing the SOHO-500 contest.

See http://sohowww.nascom.nasa.gov/comet.html

Deadline is midnight EDT May 31.

Doug
May 02 2002 11:09:46 Scarmato Toni
toniscarmato@libero.it
Possible non Kreutz comet in C2


positions 1024x1024 (0,0) top-left corner

2002/05/02

12:06 (572, ?)
12:26 (573,932)
12:50 (575,930)
13:27 (578,926)


Regards,

Toni Scarmato
May 02 2002 11:55:24 Sebastian Hoenig
Sebastian@sungarzer.org
Not groupable comet in LASCO C3 images


Date: May 02, 2002

Positions:

Time (x,y)
13:42 ...,...
14:18 ...,...
14:42 557,939
15:18 559,937

More on this soon.

Sebastian Hoenig
May 02 2002 12:14:29 Sebastian Hoenig
Sebastian@sungrazer.org
I withdraw my report. It was two stars appearing very diffuse in

the images.

Regards and Sorry, Sebastian (ill but fighting against AOL and
the DSL network)
May 02 2002 12:35:40 Scarmato Toni
toniscarmato@libero.it
Regarding my last report, the object seem a

combination between a faint star and noise.


Regards,

Toni Scarmato
May 02 2002 14:43:21 Rob Matson
matsonr@saic.com
Possible very dim comet in C2 earlier today.  Here

are approximate positions (1024x1024, 0,0 in upper left):

0502 14:50 329, 943
15:06 334, 919
15:26 341, 889
15:50 350, 853

--Rob
May 03 2002 09:10:59 Rainer Kracht
R.Kracht@t-online.de
possible comet in C2 images

b/w 512*512 from the LASCO website
enlarged to 1024*1024
0,0 in upper left corner

Date Time x y
20020503 1206 278 986
20020503 1226 288 974
20020503 1250 300 958

Regards, Rainer
May 03 2002 09:12:59 Rainer Kracht
R.Kracht@t-online.de
UPDATE possible comet in C2 images

b/w 512*512 from the LASCO website
enlarged to 1024*1024
0,0 in upper left corner

Date Time x y
20020503 1126 256 1012
20020503 1206 278 986
20020503 1226 288 974
20020503 1250 300 958

looks like another faint Kreutz sungrazer

Regards, Rainer
May 03 2002 11:28:08 Rainer Kracht
R.Kracht@t-online.de
UPDATE Kreutz sungrazer in C2 images of 2002 May 03

1024*1024 0,0 in upper left corner

Time x y
1126 257 1013
1150 269 997
1206 278 987
1226 289 974
1250 301 958
1327 321 932
1350 335 916

it is now visible in seven 1024 x 1024 images

Regards, Rainer
May 03 2002 16:21:39 Mark Ledingham
mark-le@online.no
Possible sungrazer in Lasco C3 images


Date: 3 May 2002

Here are approximate positions (1024x1024):
Time (x,y)
1518 650,525
1554 ---,---
1618 693,450
1642 695,446

Best,
Mark Ledingham

May 03 2002 16:41:34 Maik Meyer
maik@comethunter.de
Mark,


it seems unlikely that your object is real, since the velocities
from 15:18 to 16:18 are 43 pixel/hr in x and 75 pixel/hr in y,
while from 16:18 to 16:42 the velocities are 4 pixel/hr in x and
8 pixel/hr in y. This is physically impossible.

Kind regards, Maik
May 03 2002 18:25:39 Rob Matson
matsonr@saic.com
Possible diffuse and extremely dim Kreutz comet in C2

frames beginning at 2002/05/03 18:50. It is just
barely detectable in 4 consecutive frames, and moves
in the correct direction at a reasonable (and constant)
velocity. 1024x1024 approximate coordinates
(0,0 in upper left):

2002/05/03 18:50 286, 992 (mostly obscurred by "8")
19:27 302, 967 (very tough)
19:50 311, 952
20:06 319, 941

Perhaps someone with movie-cycling ability can check
this out to see if it is real. Thanks! --Rob
May 04 2002 12:09:47 michael boschat
aa063@chebucto.ns.ca
Possible sungrazer in C3 images - 20020504_1218 UT



****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.


0,477 in lower left corner

LASCO C3 IMAGES

Date & UT Size X and Y
of Images used Coordinates
--------------------------------------------
20020504_1218.gif 512 x 512 197, 315
20020504_1242.gif 512 x 512 199, 314
20020504_1342.gif 512 x 512 199, 312
20020504_1418.gif 512 x 512 200, 309

----------------
Michael Boschat
May 04 2002 14:08:04 michael boschat
aa063@chebucto.ns.ca
Disregard my post of May 04 2002 12:09:47


I downloaded other images but can't
see anything. That solar streamer near
the strut is a tad bright and hard to see
if the object continues.

Mike
May 05 2002 10:17:23 Rainer Kracht
R.Kracht@t-online.de
Meyer group comet in archival C2 images of 1998 November 03.


C2, 1024x1024, 0,0 upper left

22037387.fts 02:18 969, 452
22037392.fts 03:18 958, 382
22037397.fts 04:18 944, 313
22037402.fts 05:18 927, 246
22037407.fts 06:18 907, 182
22037412.fts 07:18 884, 122
22037413.fts 07:54 868, 88
22037414.fts 08:26 854, 60
22037419.fts 09:18 826, 16

small object on the track of the Meyer group comets

Regards, Rainer
May 05 2002 14:14:26 Mark Ledingham
mark-le@online.no
Comet or noise(?) in Lasco C3 images.

Lower right. A small tail seems to appear
at 1442 GMT.

Date: 5 May 2002

Here are approximate positions (1024x1024):
Time (x,y)
1342 555,156
1418 552,148
1442 551,146
1518 ---,---

Regards,
Mark Ledingham

May 05 2002 16:58:14 Rainer Kracht
R.Kracht@t-online.de
Kreutz group comet in archival C2 images of 1998 November 08.


C2, 1024x1024, 0,0 upper left

22037795.fts 07:26 489,1001
22037796.fts 07:54 474, 978
22037797.fts 08:18 461, 959
22037798.fts 08:54 442, 928
22037799.fts 09:18 430, 908


small object on the track of the Kreutz group comets

Regards, Rainer
May 06 2002 09:10:11 Arturo Eliserio
arturo_eliserio@hotmail.com
seems to have a small tail, not sure.

Point X Y YYYYMMDD HHMM Julmins Height(km)
0 328 432 20020505 1842 3860322 1.459E7
1 332 433 20020505 2142 3860502 1.479E7
2 334 434 20020505 2318 3860598 1.493E7
3 338 433 20020506 0218 3860778 1.500E7
4 345 434 20020506 0818 3861138 1.532E7

regards

Arturo Eliserio
May 06 2002 09:17:04 Maciej Reszelski
macres@pro.onet.pl
Dear Arturo,

Object which you observed it's a star. Look Y coordinates. Changed only slight. Also
seems to long visible for a real comet...
Best regards,
Maciej
May 06 2002 09:28:41 Scarmato Toni
toniscarmato@libero.it
Possible comet in C2

positions 512x512 (0,0) top-left corner


2002/05/06

11:26 (48,480)
11:50 (50,474)
12:06 (52,470)


I am waiting other images to confirm


Regards,

Toni Scarmato
May 06 2002 10:39:20 Scarmato Toni
toniscarmato@libero.it
Regarding my last report, the object

seem visible on image at 12:26 (56,462)
and appear faint and diffuse.


Regards,

Toni Scarmato
May 06 2002 14:00:45 Xavier Leprette
xavier.leprette@wanadoo.fr
Hi Rainer, 

I read your report dated May 6 2002 16:58:14 about a possible Kreutz comet from 1998/11/08.
I have reported this one on the Doug web page the November 22 2000 02:39:31, but Doug has not been able to confirm it. See his answer the November 27 2000 16:42:27 on the archive page.

Regards
Xavier Leprette
May 06 2002 14:48:02 Rainer Kracht
R.Kracht@t-online.de
Thanks Xavier, I think that my find is an (unofficial) confirmation

of your comet.

Regards, Rainer
May 06 2002 16:21:52 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

Hi all,
I haven't had a chance to check any of the reports
from the weekend yet. As if I didn't have any time before.
Doing this SOHO-500 contest is just taking more of my time.
We've upgraded the prize package and there will be a second
place prize as well. Expect a detailed announcement in the
next few days.

Doug
May 06 2002 16:52:23 Rainer Kracht
R.Kracht@t-online.de
Meyer group comet in archival C2 images of 1998 November 28.


C2, 1024x1024, 0,0 upper left

22038240.fts 02:30 734, 222
22038245.fts 03:30 753, 162
22038246.fts 03:54 759, 139
22038247.fts 04:30 769, 106
22038248.fts 05:30 783, 56
22038249.fts 05:54 786, 37
22038250.fts 06:30 792, 10

moderately bright object on the track of the Meyer group comets
should be visible in C3 also

Regards, Rainer
May 06 2002 17:31:05 Arturo Eliserio
arturo_eliserio@hotmail.com
is this something? seen at LASCO C2,right side of the sun, also it seems that another object is right behind following the same path.  Does not looks like meteorite.


Point X Y YYYYMMDD HHMM Julmins Height(km)
0 409 318 20020506 1050 3861290 2900174
1 409 318 20020506 1050 3861290 2900174
2 404 309 20020506 1106 3861306 2762740
3 379 292 20020506 1126 3861326 2259416
4 355 295 20020506 1150 3861350 1887432

regards

A. Eliserio
May 06 2002 23:26:16 Travis Cowan
tcowan@traviscowan.com
On image EIT304 at 19:19 there is a comet-like object in the upper

left corner with a nucleus and a tail.
May 06 2002 23:27:31 Travis Cowan
tcowan@traviscowan.com
A correction to the previous report.  The comet-like object is

in the middle right of the image.


Thanks
May 07 2002 00:37:47 Chris Waltzek
cwaltzek@attbi.com
Moving along the lower part of the screen there is an object begining on 05/03/2002 in the lower left hand side of the screen and and finishing on 05/03/2002 in the lower right side. 
May 07 2002 00:51:03 Maik Meyer
maik@comethunter.de
Re: Reports by Travis, Chris and Arturo:


Travis - Comets are found on C2 and C3 images. The EIT images are
too near to the sun. This is just noise. And please do post
coordinates (and more than only one, at least four) as is advised - no one will be able to find your
object without coordinates.

Chris - Please post coordinates as is advised for reporting
suspect comets. You haven't even posted the camera (C2 or C3).
Additionally, all stars are moving from left to right - did you
have checked for this possibility.

Arturo - Your object moves not steadily; just calculate the hourly
velocity in pixel/hour between your positions. They have to be
nealy uniform. But yours are extremely increasing. This is not
expected for a real object. (Besides, never ever you can see
meteors - meteorites are only found after a fall - in the images.
The streaks and dots are just noise of high energetic particels
hitting the detector.)

Please look at common mistakes and already found comets to get a
feeling what you have to look for. Besides these pages I also
recommend http://www.sungrazer.org/ for a step to step guide.

I hope these hints help. Maik
May 07 2002 05:01:44 Maik Meyer
maik@comethunter.de
Kreutz group comet in archival C2 images of 7 Dec 1998


1024x1024, 0,0 upper left

22038742.fts 00:54 238, 1011
43.fts 01:31 238, 979
44.fts 01:54 238, 961
45.fts 02:30 238, 932
46.fts 02:54 239, 911
47.fts 03:30 240, 879

Maik
May 07 2002 05:29:00 Christopher Jackson
48cab@attbi.com
Hi, when looking at the current real time video of LASCO C2 I thought I saw what I believe to be a comet. Perhaps I'm wrong, please validate for me. Latest 25 sgf Images (approx. 4500 kb) as of Tue May 7 09:14:06 GMT 2002, images labeled 2002/05/06 800-1700. In the upper right corner of the image is an object that appears in all images, appears to move from left to right. Here are the requested points:


Point X Y YYYYMMDD HHMM Julmins Height(km)
0 340 423 20020506 0926 3861206 3287337
1 343 423 20020506 0950 3861230 3311027
2 344 425 20020506 1006 3861246 3349603
3 346 425 20020506 1026 3861266 3365742
4 349 424 20020506 1050 3861290 3375370

Please let me know! Thanks! Chris
May 07 2002 05:37:07 Maik Meyer
maik@comethunter.de
Chris,


this is a star. Stars move from left to right with only slightly
changing Y coordinates.

Maik
May 07 2002 10:22:17 Paul Ryan
paul.ryan@colorado.edu
There acctually appears to be two comet's in LASCO C3 from 2002/05/07 00:42 they are both in the lower hemishpere of the picture. One approximatly 1.5 inches below the sun in 1280x1024 resoution with a trajectory directly into the sun and the second appears to be about 1.5 inches below the first with a trajectory around the lefthand side of the sun. I have put up a version of this image with these to susspected comets on my website at http://ucsu.colorado.edu/~ryanp/pictures/SOHO/20020507_0042_c3.gifthe original is at http://ucsu.colorado.edu/~ryanp/pictures/SOHO/20020507_0042_c3_org.gif Well take a look and tell me if I'm right :).


Paul Ryan
paul.ryan@colorado.edu
May 07 2002 10:30:01 Maik Meyer
maik@comethunter.de
Paul,


these are cosmic ray hits. Please look for common mistakes and the
reporting format.

Maik
May 07 2002 12:26:46 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

We have updated the page regarding the comet contest to reflect
the new prizes. First place and second place both do quite well.

Doug
May 07 2002 14:12:57 Dufresne JF
rock2max@hotmail.com
I saw that streak, like if it's tail changed direction because of solar wind



Point X Y YYYYMMDD HHMM Julmins Height(km)
0 405 489 20020506 1527 3861567 4834387
1 405 490 20020506 1606 3861606 4848931
2 406 490 20020506 1626 3861626 4858224
3 415 489 20020506 1706 3861666 4929527
May 07 2002 14:16:29 Dufresne JF
rock2max@hotmail.com
I forgot this: LASCO C2
May 07 2002 14:21:00 Dwight Hanson
djhanson@hotpop.com
Possible comet in real-time C2:


7-May-2002, 512x512, (x=0,y=0) upper-left

06:06 - (122,511), faint
06:26 - (123,506)
06:50 - (123,500)

Awaiting further images to confirm.

--Dwight "DJ" Hanson
May 07 2002 15:16:42 Douglas Biesecker
doug@sungrazer.nascom.nasa.gov
I've checked all of the recent posts up to 15:00 local time.

First, let me comment that as expected, there are a lot of
newbies posting. I'm glad to see you, but please take the time
to watch the data for a few days to learn about the various
quirks. Also, when you post positions, please tell me which image
size you used.

I have confirmed 3 claims, and there are 2 additional claims
still outstanding.

Date Tele. Discoverer Status
-------------------------------------
020503 C2 R. Kracht Pending
020503 C2 R. Kracht Confirmed
981108 C2 X. Leprette Pending
981128 C2,C3 R. Kracht Confirmed
981207 C2 M. Meyer Confirmed

Positions below:

# HEIGHT DATE TIME ANGLE TEL FC COL ROW
6.85 2002/05/03 11:26:05 153.2 C2 10 256.0 8.0
6.61 2002/05/03 11:50:05 153.5 C2 10 268.0 25.0
6.44 2002/05/03 12:06:06 153.9 C2 10 277.0 36.0
6.25 2002/05/03 12:26:06 154.4 C2 10 288.0 48.0
6.01 2002/05/03 12:50:05 154.9 C2 10 301.0 64.0

# HEIGHT DATE TIME ANGLE TEL FC COL ROW
7.13 1998/11/03 09:18:10 318.9 C2 10 825.0 1007.0
7.03 1998/11/03 08:54:06 316.8 C2 10 838.0 988.0
6.89 1998/11/03 08:25:36 314.1 C2 10 854.0 962.0
6.74 1998/11/03 07:54:05 311.3 C2 10 867.0 935.0
6.56 1998/11/03 07:18:10 307.7 C2 10 883.0 901.0
6.46 1998/11/03 06:56:41 305.5 C2 10 892.0 880.0
6.17 1998/11/03 05:54:05 298.5 C2 10 915.0 816.0
6.01 1998/11/03 05:18:08 294.0 C2 10 927.0 776.0
5.92 1998/11/03 04:54:07 291.0 C2 10 934.0 750.0
5.81 1998/11/03 04:18:08 286.3 C2 10 944.0 710.0
5.74 1998/11/03 03:54:05 282.9 C2 10 950.0 682.0
5.67 1998/11/03 03:18:08 277.9 C2 10 958.0 641.0
5.63 1998/11/03 02:56:45 274.7 C2 10 962.0 615.0
5.61 1998/11/03 02:18:09 269.1 C2 10 969.0 570.0

# HEIGHT DATE TIME ANGLE TEL FC COL ROW
5.84 1998/11/08 07:25:32 168.2 C2 10 487.0 22.0
5.59 1998/11/08 07:54:05 166.3 C2 10 473.0 44.0
5.37 1998/11/08 08:18:05 164.6 C2 10 461.0 64.0
5.05 1998/11/08 08:54:05 161.5 C2 10 442.0 94.0
4.83 1998/11/08 09:18:06 159.2 C2 10 429.0 115.0

# HEIGHT DATE TIME ANGLE TEL FC COL ROW
6.95 1998/11/28 06:30:07 331.4 C2 10 792.0 1012.0
6.65 1998/11/28 05:54:06 330.6 C2 10 786.0 986.0
6.45 1998/11/28 05:30:06 329.9 C2 10 783.0 968.0
5.85 1998/11/28 04:30:05 328.3 C2 10 769.0 917.0
5.46 1998/11/28 03:54:05 327.1 C2 10 759.0 884.0
5.19 1998/11/28 03:30:14 326.2 C2 10 752.0 861.0
4.48 1998/11/28 02:30:05 323.3 C2 10 734.0 801.0
4.03 1998/11/28 01:54:05 320.9 C2 10 722.0 762.0
3.76 1998/11/28 01:31:59 319.3 C2 11 714.0 739.0
6.73 1998/11/28 06:18:05 331.4 C3 11 575.0 238.0
6.98 1998/11/28 06:42:05 331.5 C3 11 577.0 242.0
7.45 1998/11/28 07:42:56 332.9 C3 11 578.0 251.0
7.78 1998/11/28 08:42:06 333.7 C3 11 579.0 257.0
8.04 1998/11/28 09:42:05 334.6 C3 11 579.0 262.0
8.24 1998/11/28 10:18:05 335.2 C3 11 579.0 266.0

# HEIGHT DATE TIME ANGLE TEL FC COL ROW
6.71 1998/12/07 00:54:05 151.7 C2 10 239.0 14.0
6.41 1998/12/07 01:31:59 150.0 C2 10 238.0 44.0
6.23 1998/12/07 01:54:05 148.8 C2 10 237.0 63.0
5.94 1998/12/07 02:30:05 147.1 C2 10 237.0 92.0
5.74 1998/12/07 02:54:05 145.9 C2 10 238.0 112.0
5.44 1998/12/07 03:30:05 143.7 C2 10 239.0 143.0
5.22 1998/12/07 03:54:06 142.1 C2 10 240.0 165.0
May 07 2002 22:28:56 Dwight Hanson
djhanson@hotpop.com
Please disregard my previous post.  Looks like noise.


--DJ Hanson
May 08 2002 02:36:40 FREDERIC MOSER
fmoser@wanadoo.fr
object found in the LOWER LEFT CORNER of picture LASCO-C2 2002 MAY 08 - 05:05


regards
FREDERIC MOSER
May 08 2002 03:12:36 FREDERIC MOSER
fmoser@wanadoo.fr
________________________________________

object found : vertical line
picture zone : lower right corner
camera picture : lasco-c3 2002 may 08 06:42
filename : 33089824.fts

object found : vertical line
picture zone : just below the middle of left picture border
camera picture : lasco-c3 2002 may 08 06:42
filename : 33089824.fts

object found : 2 diagonal lines
picture zone : just above the middle of right picture border
camera picture : lasco-c3 2002 may 08 06:42
filename : 33089824.fts

_______________________________________

object found : small line
picture zone : middle between top picture border and solar center
camera picture : lasco-c3 2002 may 08 06:18
filename : 33089823.fts

object found : small curve
picture zone : middle of left border picture
camera picture : lasco-c3 2002 may 08 06:18
filename : 33089823.fts

________________________________________

regards
FREDERIC MOSER
May 08 2002 08:12:41 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

First a correction on my part. In my last post, all of the
positions given are correct. However, in the table posted, I
put in the wrong date for a confirmed comet. The corrected
table is given below. We'll try to make a decision on the
pending comets as soon as possible.

Also, regarding the report by F. Moser and a few of the other
posts. Cosmic rays are evident in all of the images and take
on many shapes and sizes. The way we distinguish them is that
they do not appear in the previous or following images. Comets,
asteroids, stars, and planets should appear in sequences of
images. If you don't see your potential object in at least 4
frames, moving with a consistent velocity, and with shapes and
brightnesses which vary in reasonable ways, then it's not going
to be considered a real astronomical object. Don't post unless
your object meets these requirements.

Date Tele. Discoverer Status
-------------------------------------
020503 C2 R. Kracht Pending
981103 C2 R. Kracht Confirmed (corrected)
981108 C2 X. Leprette Pending
981128 C2,C3 R. Kracht Confirmed
981207 C2 M. Meyer Confirmed

Doug
May 08 2002 11:44:24 Mark Ledingham
mark-le@online.no
This I hope might be my first! Highly likely 

sporadic comet in LASCO C3 images (1024*1024),
to the left of the sun, on 6 May 2002. The object
does not appear to be cosmic rays. I'm convinced
this is a comet moving through 4 frames.

Using Java console to report positions.

Point X Y YYYYMMDD HHMM Julmins Height(km)
0 94 665 20020506 1718 3861678 1.804E7
1 84 671 20020506 1742 3861702 1.850E7
2 82 672 20020506 1818 3861738 1.859E7
3 79 676 20020506 1842 3861762 1.875E7

Doug, can you please confirm? Thanks.

Best regards,
Mark Ledingham
May 08 2002 12:08:13 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

Regarding M. Ledingham's report in the C3 telescope for May 6.
This is definitely cosmic rays. Why? The comet appears out of
nowhere and disappears too quickly. As bright as it is, we'd
expect it to be visible in the neighboring images. Also, there
is a rather abrupt change in velocity.

Doug
May 09 2002 00:40:44 Clifford Carnicom
cecarnicom@earthlink.net
Hi,

I have found an object that I believe may be a comet.
I cannot find any references to the object with my
planetarium software. I am looking at the sky with binoculars.
The approximate location is:

RA 13 3/4
Dec -40
(best estimate via binoculars)

In the constellation Centaurus. On a line formed by M83 and
Iota Centauri, approximately 4 degrees away from Iota Centauri
toward the horizon. Observing location is Santa Fe NM.
I have noticed it both last night and tonight. I initially
thought it might be M83, but the location is not matching.
I am comparing the observation to Ikeya-Zhang which I have
also been observing for the past several nights, and the
characteristics appear similiar to me.

Can this sighting be confirmed or denied?

Thank you for any assistance,
Sincerely,
Clifford E Carnicom
PO Box 4653
Santa Fe NM 87502
505.466.2784
May 8 2002
1030PM
May 09 2002 02:15:48 Dwight Hanson
djhanson@hotpop.com
Possible sporadic comet in real-time C2:


9-May-2002, 512x512, (x=0,y=0) upper-left

00:06 - (17,251)
00:50 - (70,259)
01:27 - (95,262)
01:50 - (115,265)

--DJ Hanson
May 09 2002 02:49:40 Maik Meyer
maik@comethunter.de
Re: Two latest reports


Clifford:
you have poisted a claim for a comet discovery on the board for
SOHO comet discoveries. This is not the right place to do.
Please look at
http://cfa-www.harvard.edu/cfa/ps/CometDiscovery.html
for making such claims.

DJ:
Without looking at it I can decide that it is not real, but noise.
Comets should move with a very constant velocity in subsequent
images. If you calculate these figures for your claim you'll see
that the velocities in x and y change:

Velocities in pix/hr x: 72 -> 40 -> 26, y: 10 -> 5 -> 8

Kind regards, Maik
May 09 2002 11:30:58 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

Regarding the post by D. Hanson, the points are widely spaced,
which always makes confirmations difficult. In this case,
the apparent changes in speed and the fact that there is no
corresponding point in the intervening image at 00:26, make it
clear that these must just be cosmic rays.

Regarding claims for non-SOHO discoveries, there is no way
that I can deal with such reports. Please do as Maik suggests.

We have confirmed the R. Kracht claim from May 3, 2002,
in the C2 telescope. Still working on the 981108 claim.

That takes the current count to 439, with the numbering as follows:

SOHO # Date Tele. Discoverer
---------------------------------
436 020503 C2 R. Kracht
437 981103 C2 R. Kracht

Also, just to note an interesting artifact in the data. In C2
images from May 9, 2002 at 03:26 UT, there are a series of
straight lines. These all appear to emanate from the bottom
left corner, just off the edge of the image. If you trace
each of the lines back, they all intersect at a single point.
A classic example of spallation. A cosmic ray striking some
part of the detector and throwing out other particles.

Doug
May 10 2002 01:15:51 Carnicom Clifford
cecarnicom@earthlink.net
Regarding the report of a possible comet sighting made yesterday,

I would like to make the following information available to the
public through the courtesy of Mr. Green of Harvard-Smithsonian.
I would also like to express my appreciation to the gentleman
from California that has expressed an interest in helping to
identify this object. The object has been identified as
omega Centauri, and it has been a learning and helpful
experience.

Clifford E Carnicom
cecarnicom@earthlink.net
Santa Fe NM


Mr. Green,

I want to thank you for taking the time to reply to my inquiry.
I have made additional observations tonight using the information
that you were kind enough to provide to me. Your statement is
exactly correct; and I accept completely your identification of
the object I have observed as being that of omega Centauri.
I can see now that I also had the object located at a greater
elevation than is correct. It is also of interest to me that
the planetarium software I am using does not show this
object, but I was able to find it within my atlas.
Thanks again, and I will disseminate your identification
to all parties that indicate an interest in the matter.

Sincerely,

Clifford E Carnicom
cecarnicom@earthlink.net
The following reply is posted for the benefit of all interested:

"Dan Green wrote:

> Greetings. Your message about a possible comet near iota Cen
> has been forwarded to us by Roberto Gorelli. At the latitude
> of Santa Fe, with a good southern horizon, you should be able
> to see the bright globular cluster known as omega Centauri,
> which probably does indeed look a lot like comet C/2002 C1 right
> now. When near your meridian, omega Cen would be about 10 deg
> below iota Cen.
>
> If the object is not omega Cen and you still think it to be a
> possible comet, please follow the guidelines at the following
> website to report additional information:
>
> http://cfa-www.harvard.edu/iau/DiscoveryInfo.html
> http://cfa-www.harvard.edu/iau/CometDiscovery.html
>
> Kind regards, Dan Green
>
> ---------------------------------------------------------
>
> Daniel W. E. Green [green@cfa.harvard.edu]
> Harvard-Smithsonian Center for Astrophysics
> Cambridge, MA 02138, U.S.A."

May 10 2002 10:02:12 michael boschat
aa063@chebucto.ns.ca
Non-Kruetz in C2 images - 20020510_1126 UT


Very faint 1/4 way from 11pm position

****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.


0,0 in upper left corner

LASCO C2 IMAGES

Date & UT Size X and Y
of Images used Coordinates
--------------------------------------------
20020510_1126.gif 512 x 512 143, 58
20020510_1150.gif 512 x 512 147, 59
20020510_1206.gif 512 x 512 150, 61
20020510_1226.gif 512 x 512 154, 60

----------------
Michael Boschat
May 10 2002 13:48:24 Sebastian Hoenig
Sebastian@sungrazer.org
To all newbies on this Board:


If you are interested in training SOHO comet hunting you may
download a .zip I provide on my website at
www.sungrazer.org/find.html. I included C2 and C3 images of three
May and June comets of last year - faint and brighter ones - so
you can see whether you would have found them. Attention: the zip-
file is as large as 10 Mb!

Regards, Sebastian
May 10 2002 22:58:45 George Zderich
zeogeo@aol.com
SOHO EIT 171A

Latest 25 sgf Images (approx. 5300 kb) as of Sat May 11 02:39:01 GMT 2002

I think that I have found a comet located on the image taken at 1300 on 05/11/2002. On the bottom right side of the frame is a small fast object that only last in the frame for one viewing. It appears to be heading toward the sun. I hope this is a new comet.

Thank you,
George Zderich
zeogeo@aol.com
May 11 2002 02:45:02 Maik Meyer
maik@comethunter.de
George,


comets are found in C2 and C3 images, not in the EIT images. The
EIT images are too close to the sun. Additionally real objects are
not only visible in one image but at least in four. Please make
sure you have read the instructions and hints on the page with the
report form. Also, without giving any coordinates and image size
no one will be able to locate your object. I recommend
http://www.sungrazer.org for a step-to-step guide for finding
comets in C2 and C3 images with examples of previous ones so one
knows what to look for.

Kind regards, Maik
May 11 2002 09:25:34 ismail yilmaz
fraktal_kaos@onebox.com
quasar?
May 11 2002 15:08:50 Rainer Kracht
R.Kracht@t-online.de
Marsden group comet in archival C2 images of 2000 February 04.


C2, 1024x1024, 0,0 upper left

22060880.fts 11:06 10, 355
22060881.fts 11:30 36, 344
22060882.fts 11:54 63, 332
22060883.fts 12:06 76, 327
22060884.fts 12:30 104, 315
22060885.fts 12:54 133, 304
22060886.fts 13:31 Artifact
22060887.fts 13:54 204, 277
22060888.fts 14:06 220, 272

faint object on the track of C/2000 C3 (0.1 days before 2000 C3)
This seems to be the third 'triple-Marsden' (with 2000 C3 and C4).
The other two are 1998 A2/A3/A4 and 1999 P6/P8/P9.

Regards, Rainer
May 12 2002 05:49:11 li hao
xiaohaozi101@163.com
Possible comet in real-time c2 images .

0,0 in upper left corner
Images Size X, Y
20020511_0950 _c2.bmp 1024 x1024 330,950
20020511_1026 _c2.bmp 1024 x1024 338,934
20020511_1050 _c2.bmp 1024 x1024 343,915
20020511_1106 _c2.bmp 1024 x1024 347,907
20020511_1126 _c2.bmp 1024 x1024 351,897
li hao
May 12 2002 09:03:52 janne suikkala
suikkala@pikabaana.ne
In Finland..
May 13 2002 02:10:28 Mark Siddoway
lostland@aol.com
There is an apparent comet, quite bright, close to Hercules.  The comet looks about 5-6 magnitude compared to M13.  The size of the nebulosity is about 20-30 minutes.  The approximate coordinates are RA = 16h 53 m and Dec = +42 deg 30 min.  This object is close to Hercules and NGC 6239.  M92 is also close by.  I first saw this object as a very bright like globular in the sky when looking for M92 with my 9x63 Orion binoculars.  I have subsequently looked at it with 12X60 visioneer binoculars.  It is not M13 or M92 or NGC 6239.  However, it is close to NGC 6239.  Conditions are 8/10 steadiness and 4.5 transparency.  Temp is 77 F.  I first spotted the object 5/13/2002 at 05:00 universal time (5/12/2002 and 11:00 PM CDT) with binoculars.


I am now looking at it with an 8" reflector telescope and 15 mm vixen lanthanum eyepieces. If it is not a comet, what is this object? I thought it was a globular at first, but it will not resolve into stars like M13.
May 13 2002 02:18:08 Alexei Pace
apATonvol.net
Hi all,

Please note that first of all this is not a chatroom.
Check out your posts before posting to see that they are in a
similar format to the proper previous ones.
No descriptions in words - numbers and coordinates are required.
No comets in the sky either - these have to be reported to CBAT not here.

Regarding Mark Siddoway - congratulations, you have just discovered Comet Ikeya Zhang.

Regards
AP
May 13 2002 03:03:08
 
May 13 2002 09:47:25 Mark Mayo
msm45@student.canterbury.ac.nz
Possible comet?  Shows in more than 4 frames, and doesn't move directly from left to right like stars - while maintaining a greater intensity.


(0, 0) is top left.
All images are 1024x1024
20020510_1426_c2.gif - 169.17
20020510_1406_c2.gif - 171,17
20020510_1426_c2.gif - 176,16
20020510_1450_c2.gif - 181,15

Would appreciate feedback on more things to look for if this doesn't pan out :)

Mark
May 13 2002 12:28:50 xavier Leprette
xavier.leprette@wanadoo.fr
A possible Kreutz comet in a real-time C2 images now.


The object is faint, with a faint tail and it is visible in 2 consecutive images
on 2002/05/12-and 13 from 23:50 to 00:06 UT.

Positions measured from the top-left corner of a 1024x1024 frames :
col, row
23:50 UT 431,1021
00:06 UT 436,1013

I'm waintig others images to confirm my report

Xavier Leprette
May 13 2002 12:43:36 Xavier Leprette
xavier.leprette@wanadoo.fr
A possible Kreutz comet in a real-time C2 images now.


UPDATE :
I can confirm my previous report.
The object is faintly condensed, with a faint tail and it is visible now
in 4 consecutive images on 2002/05/12-and 13 from 23:50 to 00:50 UT.

Positions measured from the top-left corner of a 1024x1024 frames :
col, row
20020512 23:50 UT 431,1021
20020513 00:06 UT 436,1013
20020513 00:26 UT 445,999
20020513 00:50 UT 454,982

Xavier Leprette
May 13 2002 12:47:48 Scarmato Toni
toniscarmato@libero.it
Possible comet in c2


positions 1024x1024

2002/05/12-13

23:50 (431,1021)
00:06 (438,1011)


I am waiting other images to confirm


Toni Scarmato
May 13 2002 12:57:17 Kazimieras Cernis
cernis@itpa.lt
Possible new comet in C2 real time images.

0,0 in bottom left corner in 1024x1024 images.

DATE TIME TEL COL ROW
2002/05/13 7:27 C2 651 23
2002/05/12 7:50 C2 659 42
2002/05/13 8:06 C2 669 58



Kazimieras Cernis
May 13 2002 13:02:53 Kazimieras Cernis
cernis@itpa.lt
Corrected update.

Possible new comet in C2 real time images.
0,0 in bottom left corner in 1024x1024 images.

DATE TIME TEL COL ROW
2002/05/13 7:27 C2 651 23
2002/05/12 7:50 C2 659 42
2002/05/13 8:06 C2 662 58
2002/05/13 8:26 C2 668 74


Kazimieras Cernis
May 13 2002 13:07:58 Scarmato Toni
toniscarmato@libero.it
Anbother comet in c2 

positions 1024x1024 (0,0) top.left corner

starting at
2002/05/13

07:27 (652,1002)

seem visible in 3 images


Toni Scarmato

May 13 2002 13:12:03 Kazimieras Cernis
cernis@itpa.lt
Corrected update. The object is seen on 5 images.

Possible new comet in C2 real time images.
0,0 in bottom left corner in 1024x1024 images.

DATE TIME TEL COL ROW
2002/05/13 7:27 C2 651 23
2002/05/13 7:50 C2 659 42
2002/05/13 8:06 C2 662 58
2002/05/13 8:26 C2 668 74
2002/05/13 8:50 C2 674 95

Kazimieras Cernis
May 13 2002 13:12:43 scarmato Toni
toniscarmato@libero.it
Update positions:


1024x1024 (0,0) top-left corner


2002/05/13

07:27 (652,1002)
07:50 (658,980)
08:06 (664,968)


Regards,

Toni Scarmato
May 13 2002 14:16:03 Kazimieras Cernis
cernis@itpa.lt
New bright comet in C3 now from 12:42 till 15:52 on 5 images.

0,0 in bottom left corner in 1024x1024.

DATE TIME TEL COL ROW
2002/05/13 14:42 C3 463 785
15:18 C3
15:42 C3

Kazimieras Cernis
May 13 2002 14:17:32 Kazimieras Cernis
cernis@itpa.lt


Update
New bright comet in C3 now from 12:42 till 15:52 on 5 images.
0,0 in bottom left corner in 1024x1024.

DATE TIME TEL COL ROW
2002/05/13 14:42 C3 463 239
15:18 C3 465 242
15:42 C3

Kazimieras Cernis
May 13 2002 14:19:12 Kazimieras Cernis
cernis@itpa.lt


Update. The comet is with small tail.
New bright comet in C3 now from 12:42 till 15:52 on 5 images.
0,0 in bottom left corner in 1024x1024.

DATE TIME TEL COL ROW
2002/05/13 14:42 C3 463 239
15:18 C3 465 242
15:42 C3 468 245
Kazimieras Cernis
May 13 2002 14:22:29 Kazimieras Cernis
cernis@itpa.lt


Update. The comet is with small tail.
New bright comet in C3 now from 12:42 till 15:52 on 5 images.
0,0 in bottom left corner in 1024x1024.

DATE TIME TEL COL ROW
14:18 C3 462 238
2002/05/13 14:42 C3 463 239
15:18 C3 465 242
15:42 C3 468 245
Kazimieras Cernis
May 13 2002 14:32:44 michael boschat
aa063@chebucto.ns.ca
Hi:


Do we have to repeat so my updates on
the comets! looks like 6 or
more found! very confusing at times.

Mike

May 13 2002 15:39:51 Rainer Kracht
R.Kracht@t-online.de
Mike, I think there are four new claims now:

Mark Mayo C2 May 10
Xavier Leprette C2 May 12 23:50 UTC (first obs)
Kazimieras Cernis C2 May 13 07:27
Kazimieras Cernis C3 May 13 14:18
the last one will enter C2 at about 5h UTC on May 14

Rgards, Rainer
May 13 2002 16:06:24 Rainer Kracht
R.Kracht@t-online.de
correction to my last post:

The C3 comet found by Kazimieras will
enter C2 around 15-16h UTC (May 14).

Regards, Rainer
May 13 2002 17:08:02 Doug Biesecker
doug@sungrazer.nascom.nasa.gov
Wow! This should be a good one.  We're gearing up to observe this

one with everyone available. Arecibo, LASCO, and maybe UVCS.
I'm doing the measurements for the CCD reduction now. Look for
an orbit solution tonight. Also, we'll do a refined solution
early tomorrow morning. This is the bright C3 Kreutz comet in
the May 13 images.

I've spent the whole day dealing with e-mails regarding the
SOHO-500 contest. We're up to over 200 entries. Did everyone
see the story on http://www.cnn.com/TECH/space/

Doug
May 13 2002 17:42:25 Rainer Kracht
R.Kracht@t-online.de
Doug,


what means
'the mother ship was parked in front of the satellite'?

Rainer
May 13 2002 18:04:33 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

Regarding discussions of such things as mother ships, UFO's, or
other such phenomena, please let this be the last word. I don't
want this to be discussed here. That said, we occasionally get
lots of bad PR from folks claiming that we are covering up
conspiracies. Everything from missing blocks, to door closed
images, to saturated planets, to data gaps of hours to days,
has been interpreted as us covering up alien spacecraft and
the like.

See some of my favorite websites such as:
http://www.cyberspaceorbit.com/rogues.html
http://www.enterprisemission.com/
http://www.cyberspaceorbit.com/
http://www.ghostweb.com/

Please take any discussions of such matters to newsgroups like
http://groups.yahoo.com/group/sohohunter/
where hopefully there can be a reasonable discussion of the
sometimes farcical claims.

Doug
May 13 2002 18:22:42 Rainer Kracht
R.Kracht@t-online.de
Sorry, 

I thought (until now) www.cnn.com is a news service.

Rainer
May 14 2002 06:12:18 Xu Chen
sinahenry@21cn.com
possible comet in lasco_c3 real time

0,0 in the middle down
20020514_0118_c3.gif 250,358
20020514_0218_c3.gif 251,356
20020514_0318_c3.gif 253,351
20020514_0418_c3.gif 255,348
May 14 2002 06:12:48 Xu Chen
sinahenry@21cn.com
possible comet in lasco_c3 real time

0,0 in the middle down
20020514_0118_c3.gif 250,358
20020514_0218_c3.gif 251,356
20020514_0318_c3.gif 253,351
20020514_0418_c3.gif 255,348
May 14 2002 06:13:40 Xu Chen
sinahenry@21cn.com
possible comet in lasco_c3 real time

0,0 in the middle down
20020514_0118_c3.gif 250,358
20020514_0218_c3.gif 251,356
20020514_0318_c3.gif 253,351
20020514_0418_c3.gif 255,348
May 14 2002 06:36:51 Maik Meyer
maik@comethunter.de
Xu Chen,


this is C/2002 J3, discovered yesterday by K. Cernis (assuming
you have used 512x512 images). Please look at this board before
posting a claim to make sure that the object has already been
reported. (And one post is enough).

Regards, Maik
May 14 2002 06:54:51 Chen Xu
sinahenrry@21cn.com
sorry, i forgot to tell you  the size of the image that i found  

is 512*512
May 14 2002 10:39:43 Craig Swanson
pcubensis@msn.com
Possible comet in LASCO C3 Real Time 1025x768

0,0 in top left
20020514 1118 535,639
20020514 1142 537,635
20020514 1218 538,630
20020514 1242 540,626
May 14 2002 12:18:28 Sebastian Hoenig
Sebastian@sungrazer.org
To avoid double reports:


Kazimieras' bright C3 comet now enteres C2 FOV (15:50 UT). It is
the bright one appearing at (660,1020) in 1024 x 1024 resolution.
Please do not post is as new.

Regards, Sebastian
May 14 2002 13:50:57 Clay Johnson
Jwb52z@aol.com
I think it is a new comet at the following position on the C2.


Point X Y YYYYMMDD HHMM Julmins Height(km)
0 340 346 20020514 0626 3872546 2007836
May 14 2002 14:01:45 xavier Leprette
xavier.leprette@wanadoo.fr
Possible sungrazer comet in a real-time C2 images now 


It is visible on 2002/05/14 from 16:50 to 17:26 UT in 3 consecutive frames
The object is faint, without tail and it is moving towards the sun.

Positions measured from the top-left corner of 512x512 frames :

col,row
16:50 210,509
17:26 217,498

I'm waiting other images to confirm my report.

Xavier Leprette
May 14 2002 14:16:00 Xavier Leprette
xavier.leprette@wanadoo.fr
About my previous report :

Nothing is visible in 1024 images.
Disregard. Sorry

Xavier Leprette
May 14 2002 15:22:51 Michael Oates
mike@ph.u-net.com
New Faint comet to the left of the bright one in C2 NOW


In 4 images so far

(0,0 in bottom left corner in 1024x1024 images)
Image Col Row
20020514_1650_c2.gif 422 5
20020514_1706_c2.gif
20020514_1726_c2.gif
20020514_1750_c2.gif


Michael Oates
May 14 2002 15:43:39 Michael Oates
mike@ph.u-net.com
UPDATE on faint comet to the left of the bright one in C2


Now in 6 images so far: full positions:

(0,0 in bottom left corner in 1024x1024 images)
Image Col Row
20020514_1650_c2.gif 422 5
20020514_1706_c2.gif 428 16
20020514_1726_c2.gif 435 29
20020514_1750_c2.gif 446 46
20020514_1806_c2.gif 451 57
20020514_1826_c2.gif 459 71

Michael Oates
May 14 2002 15:49:38 Maik Meyer
maik@comethunter
Mike,


good to see you here again!

It seems that your positions coincide with the ones by Xavier's
object (the post prior to yours) which he withdrew.

Maik
May 14 2002 17:18:46 Xavier Leprette
xavier.leprette@wanadoo.fr
Hi Mike and Maik,


Thanks Mike to confirm my first report (14 2002 14:01:45). Happy to see you again on the web.
I saw the comet on 3 images (then also at 17:50) in 512 format, but then unfortunately I have downloaded 2 bad images in 1024 to check my report (16:06 and 16:26 UT) and obviously I have not been able to see the object. So I sent a second message to withdraw the first.
Perhaps Doug will understand my mistake and will give the credit for this one to me and you ?

Regards

Xavier
May 14 2002 20:59:50 Tony Hoffman
Tony.Hoffman@worldnet.att.net
Possible Kreutz comet in LASCO C2 images

(1024 x 1024, 0,0 in upper left corner)


20020515 0026 544,964 (resized from b/w)
20020514_2326 530,985
20020514_2306 523,1000

Fairly bright and condensed; awaiting other images

--Tony
May 14 2002 21:23:39 Tony Hoffman
Tony.Hoffman@worldnet.att.net
I am withdrawing my previous report

(it proved to be just some enticing noice).

--Tony Hoffman
May 15 2002 01:02:47 Monte Collard
montecollard@attbi.com
2 536 378 20020514 11:18

3 536 383 20020514 11:42
4 538 389 20020514 12:18
5 540 392 20020514 12:42
6 542 399 20020514 13:22
7 543 402 20020514 13:42
8 547 411 20020514 14:42
9 549 417 20020514 15:18
10 550 422 20020514 15:42
11 552 428 20020514 16:18
12 553 432 20020514 16:42

I hope this to be a comet. It appears bright in the lower portion of the C3 1024x1024 Gif. I am new to this and hope I havent made mistake. Thank you
Monte
May 15 2002 01:42:16 Monte Collard
montecollard@attbi.com
Object direction is in an upward motion

toward the sun's lower right corner.
May 15 2002 02:27:24 Maik Meyer
maik@comethunter.de
Monte,


this is C/2002 J3 (SOHO), already found by Kazimieras Cernis two
days ago. If you had looked on this board before posting your
claim you would have noticed severals messages concerning this
bright one and that it was also visible yesterday in C2.

Regards, Maik
May 15 2002 08:27:55 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

Hi all,
I've been busy, which is why you haven't heard much from
me. We got lots of good data on C/2002 J3. Anyway, catching up
on the reports. Other than the reports listed below, all other
reports have been found to be something other than a comet.

First, I have finally confirmed a pending decision, that of a C2
comet from 98/11/08, first reported by X. Leprette and then by
R. Kracht. That one has been designated SOHO-438.

Other confirmed comets are the C2 comet of 02/05/13 07:27-08:50
reported by K. Cernis, also the C2 comet of 02/05/14 16:50-18:50.
That one was first reported by X. Leprette. It was retracted by
himself and then reported by M. Oates. This brings up a point
about retractions. I treat every report the same, even the
retracted ones, as I feel obligated to check all reports. Thus,
I will still give Xavier credit. I hope that Mike is okay with
that.

Pending comets are the C2 report for 00/02/04 11:30-14:06 and
the C2 comet from 02/05/12 23:50 - 02/05/13 00:50.

Thus, the confirmed comet count is up to 443, plus 2 pending.

SOHO # Date Tele. Discoverer
---------------------------------
438 981108 C2 X. Leprette
439 981128 C2 R. Kracht
440 981207 C2 M. Meyer
? 000204 C2 R. Kracht (pending)
? 020512-13 C2 X. Leprette (pending)
? 020513 C2 K. Cernis
? 020513 C2 K. Cernis
? 020514 C2 X. Leprette

Doug
May 15 2002 08:29:36 Doug Biesecker
doug@sungrazer.nascom.nasa.gov
Whoops!

I can't imagine what I was thinking. Of course the 7th comet
in the table from the previous post is C/2002 J3 and was visible
in both C2 and C3 from May 13-14.

Doug
May 15 2002 20:10:22 Rob Matson
matsonr@saic.com
Possible comet in C2 beginning at 2002/05/15 23:26.  512x512

B&W coordinates (0,0 in upper left):

2002/05/15 23:26 239, 553
23:50 243, 545

Awaiting 1024x1024 images for confirmation. --Rob
May 15 2002 20:15:25 Rob Matson
matsonr@saic.com
Comet in C2 looks legit.  The 2326 image has now shown up

in 1024x1024 format -- coordinates:

2002-05-15 478, 1007

--Rob
May 15 2002 20:41:22 Rob Matson
matsonr@saic.com
Final update on C2 comet beginning at 2002/05/15 23:26.

512x512 B&W coordinates (0,0 in upper left):

2002/05/15 23:26 239, 553
23:50 243, 545
05/16 00:06 246, 540
00:26 249, 533

Finally got one! --Rob
May 15 2002 20:50:15 XingMing Zhou
zh_x_m@163.net
Yes,I can confirm Rob's report, a middle bright comet.

Rob's first comet,congratulations!

Xingming Zhou
May 15 2002 22:39:44 Mimeev Alexander
alexpm@imail.ru
254 474 0050 20020516 c2 top/left
May 15 2002 22:44:40 Mimeev Alexander
alexpm@imail.ru
Comet find 20020516 c2 top/left 512/512 to 1024/1024


2326 239 503 20020515
2350 243 495
0006 246 490 20020515
0026 249 483
0050 254 474

Mimeev
May 15 2002 23:09:49 Mimeev Alexander
alexpm@imail.ru
Sorry

Rob first...

Coordinate in automated search 1024/1024 c2 top/left
2326 479 17
2350 487 33
0006 493 44
0026 500 58
0050 508 74
Mimeev
May 16 2002 07:59:26 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

Congratulations on your first find Rob. See, the perseverance
pays off. C2 comet on May 15-16, 2002. Rough positions below.
The comet becomes obscured by the solar coronal streamer.

Doug

# HEIGHT DATE TIME ANGLE TEL FC COL ROW
6.21 2002/05/15 23:06:06 175.8 C2 10 471.0 3.0
6.06 2002/05/15 23:26:07 176.6 C2 10 479.0 15.0
5.83 2002/05/15 23:50:05 177.4 C2 10 487.0 33.0
5.71 2002/05/16 00:06:05 178.0 C2 10 492.0 43.0
5.55 2002/05/16 00:26:06 178.8 C2 10 499.0 56.0
5.35 2002/05/16 00:50:05 179.8 C2 10 507.0 72.0
5.00 2002/05/16 01:27:20 181.7 C2 10 521.0 101.0
May 16 2002 10:41:32 michael boschat
aa063@chebucto.ns.ca
Comet? in C3 20020516_1042
****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.
0,477 in lower left corner
20020516_1042.gif 512 x 512 300, 354
20020516_1142.gif 512 x 512 298, 353
20020516_1218.gif 512 x 512 299, 352

Mike Boschat
May 16 2002 16:32:42 Emanuele Zattin
emanuelez@libero.it
Comet? C3 0,0 top left


8.42 39 364 (??)
9:18 46 341 (?)
9:42 70 321
10.42 85 306
11.42 112 299
12.18 124 302
May 16 2002 16:59:13 Emanuele Zattin
emanuelez@libero.it
More pics about the suspected comet (???)


C3 512x512 top-left

08.42 39 364 (??)
09.18 46 341 (?)
09.42 70 321
10.42 85 306
11.42 112 229
12.18 124 302
12.42 130 307
13.42 132 310
14.18 135 310
14.42 138 324

date: 16.05.2002

Emanuele Zattin

May 16 2002 18:17:23 Maik Meyer
maik@comethunter.de
Emanuele,


your object moves too erratic for a comet and I guess it changes
shape and brightness, too. Comets move with a very constant
velocity in x and y directions - your object moves on trajectory
which cannot be explained by physical laws, even the velocity
changes. It accelerates and decelerates. Together with fact of
changing shape and brightness we can conclude that this is just
noise.

Regards, Maik

May 16 2002 23:28:24 Yurij Davydov
yraary@mail.ru
only 3 image 20020517 C2 512

0006 321 498
0026 328 474
0050 333 459
Yurij
May 16 2002 23:48:58 Yurij Davydov
yraary@mail.ru
Last message not to consider. Only noise.

Yurij
May 18 2002 13:24:12 Rainer Kracht
R.Kracht@t-online.de
possible comet in C2 images

b/w 512*512 from the LASCO website
enlarged to 1024*1024
0,0 in upper left corner

Date Time x y
20020518 1550 494 1012
20020518 1650 510 982

Regards, Rainer
May 18 2002 13:34:03 Rainer Kracht
R.Kracht@t-online.de
UPDATE possible comet in C2 images

b/w 512*512 from the LASCO website
enlarged to 1024*1024
0,0 in upper left corner

Date Time x y
20020518 1550 494 1012
20020518 1650 510 982
20020518 1706 514 970

Regards, Rainer
May 18 2002 13:44:27 Rainer Kracht
R.Kracht@t-online.de
UPDATE possible comet in C2 images

b/w 512*512 from the LASCO website
enlarged to 1024*1024
0,0 in upper left corner

Date Time x y
20020518 1550 494 1012
20020518 1650 510 982
20020518 1706 514 970
20020518 1726 520 956

It seems to be real, but the first position
could be wrong/unsuitable

Regards, Rainer
May 18 2002 14:42:53 Rainer Kracht
R.Kracht@t-online.de
UPDATE Kreutz sungrazer in C2 images

b/w 512*512 from the LASCO website
enlarged to 1024*1024
0,0 in upper left corner

Date Time x y
20020518 1650 510 982
20020518 1706 514 970
20020518 1726 520 956
20020518 1750 528 940
20020518 1806 534 928

it is a small Kreutz sungrazer
the first position (15:50 UT) was wrong/unsuitable

Regards, Rainer
May 18 2002 18:45:59 b m
aa063@chebucto.ns.ca
OT - too many updates! Gets a

bit confusing..I can see 2 at tops
but not 4 or more...thanks.
congrats Ranier

MB
May 18 2002 23:32:51 Li Hao
xiaohaozi101@163.com
possible comet in C2 images

0,0 in upper left
Date Time size x y
20020518 23:50 1024x1024 825 1013
20020519 00:06 1024x1024 792 1002
Awaiting next images .
Li Hao
May 19 2002 00:40:15 Li Hao
xiaohaozi101@163.com
I'm revy sorry ,the first point x=815

I think MB first.
May 19 2002 10:38:54 XingMing Zhou
zh_x_m@163.net
The last report, Only noise. a kind of groundless conjecture, 

We will be condemned!

XingMing
May 19 2002 11:26:18 Christian Henkel
christian@astrotreff.com
Possible comet in LASCO C2 images


Date: Apr 14, 2002

Brief description:
Faint sungrazing comet, moderately condensed, smal
tail visible

Positions: 512x512 images, (0,0) upper left

Time (x,y)

16:06 333,506
16:26 334,497
16:50 338,488
17:06 341,481
17:26 343,471
17:50 345,461
18:06 348,455
18:26 350,446
18:50 353,434

Regards,

Christian Henkel/Germany
www.astrotreff.com

May 19 2002 11:54:26 Rainer Kracht
R.Kracht@t-online.de
Christian,

that's a fine comet (C/2002 J3) already found by
Kazimieras Cernis on May 13!

Rainer
May 19 2002 13:27:25 michael boschat
aa063@chebucto.ns.ca
Possible comet in C2 images - 20020519_1450 UT



****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.


0,477 in lower left corner

LASCO C2 IMAGES

Date & UT Size X and Y
of Images used Coordinates
--------------------------------------------
20020519_1450.gif 512 x 512 360, 475
20020519_1506.gif 512 x 512 374, 470
20020519_1526.gif 512 x 512 381, 467

Mike Boschat
May 19 2002 15:07:55 michael boschat
aa063@chebucto.ns.ca
Disregard my post of:
May 19 2002 13:27:25

mb
May 20 2002 20:01:57 Edwin Zhang
shinji_zhang@hotmail.com
possible comet in C3 images

0,0 in upper left
Date & UT Size X and Y
of Images used
--------------------------------------------
20020519_2218_c3.gif 512 x 512 336, 106
20020519_2342_c3.gif 512 x 512 292, 65
20020520_0018_c3.gif 512 x 512 225, 68
20020520_0042_c3.gif 512 x 512 175, 150
May 20 2002 20:53:58 Edwin Zhang
shinji_zhang@hotmail.com
Sorry, I think the first one point in my last post of May 20 2002 20:01:57 might be 20020519_2218_c3 (358,137), or none of both.

This is my first try on observing SOHO images, if there's any incorrect assumption, please don't mind.

Edwin Zhang
May 20 2002 22:04:40 Michael Boschat
aa063@chebucto.ns.ca
Comet ? in C3 images - 20020520_2342 UT


Coming off bottom of image into
a bright star. Near 6pm position.

****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.


0,477 in lower left corner

LASCO C3 IMAGES

Date & UT Size X and Y
of Images used Coordinates
--------------------------------------------
20020520_2342.gif 512 x 512 270, 478
20020521_0018.gif 512 x 512 271, 476
20020521_0042.gif 512 x 512 272, 474

Mike Boschat
May 20 2002 23:04:42 Edwin Zhang
shinji_zhang@hotmail.com
more points about the comet in my post of May 20 2002 20:01:57


0,0 in upper left
Date & UT Size X and Y
of Images used
--------------------------------------------
20020519_2318_c3 512*512 (401,52)
20020519_2342_c3 512*512 (291,65)
20020520_0018_c3 512*512 (225,69)
20020520_0042_c3 512*512 (174,152)
20020520_0218_c3 512*512 (225,216)
20020520_0418_c3 512*512 (216,340)
20020520_0518_c3 512*512 (152,393)
20020520_0742_c3 512*512 (69,405)

Edwin Zhang
May 20 2002 23:38:45 Dwight Hanson
djhanson@hotpop.com
Possible comet in real-time C2:


20-May-2002, 1024x1024, (x=0,y=0) upper-left

22:26 - (251,948)
23:06 - (290,927)
23:26 - (307,916)
23:50 - (326,904)

--DJ Hanson
May 21 2002 00:53:26 Maik Meyer
maik@comethunter.de
Report by Edwin:


Comets move in a predictable way, i.e. the don't go zig-zag, but
this is what your "object" does. They move almost straight. The
changing shape and brightness shows us that it is just noise.

Regards, Maik
May 21 2002 10:30:08 Douglas Biesecker
doug@sungrazer.nascom.nasa.gov

Hi all,
You may notice that one post from May 20 has been removed. That
is because it contained no information relevant to SOHO comets
and it contained language not appropriate for a forum which is
both public and serious.

Also, I don't know if I'll get to any reports this week. I'm
in the Central European Timezone (Marseille, to be exact) and
as I'm here for work, I have other priorities at the moment.

Doug
May 22 2002 10:43:39 Jon Shanklin
j.shanklin@bas.ac.uk
For info, Mercury entered the C3 field today on the left hand

side. Jon
May 22 2002 15:11:10 Xavier Leprette
xavier.leprette@wanadoo.fr
Possible archive Kreutz comet in C2 frames from 17 april 2001


The object is visible in 7 consecutives images.
It looks like a moderatly bright blob, condensed enough,
without tail.

All positions measured from the bottom left corner
in 1024x1024 frames :

Ref. image, X, Y, Time , Date
22091183.fts 267 11 18:06:05.582 17 april 2001
22091184.fts 282 29 18:30:06.567 17 april 2001
22091185.fts 298 46 18:54:05.553 17 april 2001
22091186.fts 322 75 19:31:46.729 17 april 2001
22091187.fts 337 91 19:54:05.495 17 april 2001
22091188.fts 345 100 20:06:05.509 17 april 2001
22091189.fts 362 120 20:30:05.495 17 april 2001

Xavier Leprette
May 22 2002 19:13:53 Martin Chuter
martin.saturdayparty@ntlworld.com
This object appears on the left hand side of the C3 images and moves just slightly faster than the background stars from left to right...  some of the points may be off slightly.



Point X Y YYYYMMDD HHMM
0 11 220 20020522 0642
1 13 219 20020522 0742
2 14 219 20020522 0818
3 15 219 20020522 0842
4 16 219 20020522 0918
5 19 219 20020522 1042
6 20 219 20020522 1118
7 21 219 20020522 1142
May 22 2002 19:16:27 Martin Chuter
martin.saturdayparty@ntlworld.com
Regarding my observation I have made, it appears in the 512x512 C3 moving images.
May 22 2002 19:29:59 Martin Chuter
martin.saturdayparty@ntlworld.com
For the findings too, my name is Martin
May 22 2002 19:36:33 Martin Chuter
martin.saturdayparty@ntlworld.com
And another thing, positions measured from bottom left hand corner in 512x512 format.


(I'm new to this)
May 22 2002 21:39:37 Donn Appleby
donn32901@yahoo.com
Yes, I see the object in C# traversing into the field of view in the left side of the view.  Probably Mercury?
May 23 2002 01:08:46 Michael Oates
mike@ph.u-net.com
Confirmation of Xavier's report for archive comet

from 17 April 2001
I can see why that was missed, rather noisey images
But looks like a real comet to me. Well done.

Mike

May 23 2002 02:55:17 Maik Meyer
maik@comethunter.de
Martins report:


This is indeed Mercury. See
http://sungrazer.nascom.nasa.gov/transits.html

Regards, Maik
May 23 2002 03:30:40 Maik Meyer
maik@comethunter.de
ossible faint Kreutz comet in real-time C2


23 May 2002, 1024x1024, 0,0 upper left

05:50 766, 1021 (at the edge)
06:06 769, 1010
06:26 772, 994
06:50 776, 976

Very faint.

Unfortunately the PW Sequence starts afterwards and the next image
is the 07:27 UT one (not yet available). Since I guess the comet
(if real) may be vanished until then I post this - although not
100% sure.

Maik

May 23 2002 03:44:22 Monte Collard
montecollard@attbi.com
Object comes into view just below midway on the left hand side. 

C3 realtime 1024x1024
point x y yyyymmdd hhmm
0 54 442 20020522 1442
1 57 442 " 1518
2 59 442 " 1542
3 62 442 " 1618
4 63 442 " 1642
It is a bright blob and there are more images in the series.
Seems to ove faster than the stars in the background.
Planet or comet?
May 23 2002 03:54:14 Maik Meyer
maik@comethunter.de
Monte:


you should have read the previous posts on this board as well as
http://sungrazer.nascom.nasa.gov/transits.html

This is Mercury, as additionally already pointed out twice.

Maik
May 23 2002 04:40:51 Martin Chuter
martin.saturdayparty@ntlworld.com
If that is Mercury, why is it so dim and faint??


And if you look closely, its actually moving in a curved line moving towards the bottom of the image and not in a straight line from left to right.

Martin
May 23 2002 05:02:52 Maik Meyer
maik@comethunter.de
Martin,


you may notice that ALL stars have slight offset towards the
bottom while moving through the FOV. And its brightness should be
about 3-4 mag which is what we see.

Maik
May 23 2002 05:15:52 Maik Meyer
maik@comethunter.de
Concerning my report of May 23 2002 03:30:40.


Nothing seen in 07:27 UT image. Please disregard my report.

Maik
May 23 2002 10:17:19 ted kell
TKELL@NYX.NET
Ah shucks, I saw it move and thought, "Could it be?"  Nah, it's just Mercury.  This brings up the question, are there any movie sequences I could download that actually show a sun grazer?  It would help if I knew what they looked like.  Also, are there any s/w products that help by comparing the images frame by frame that are publicly available?


Thanks,

Ted - the disappointed
May 23 2002 10:46:31 Maik Meyer
maik@comethunter.de
Possible Kreutz sungrazer in C2 real time images


23 May 2002, 1024x1024, 0,0 upper left

13:56 537, 1020
14:26 544, 1001

Diffuse with condensation. Awaiting next images.

Maik
May 23 2002 10:57:49 Rob Matson
matsonr@saic.com
I see the same thing, Maik -- beat me by a few

minutes posting. Looks promising to me... --Rob
May 23 2002 11:11:48 Rob Matson
matonsr@saic.com
Maik, it's still there in the next frame.

Congrats on your find! --Rob
May 23 2002 11:12:12 Rainer Kracht
R.Kracht@t-online.de
possible faint comet in C2 images

b/w 512*512 from the LASCO website
enlarged to 1024*1024
0,0 in upper left corner

Date Time x y
20020523 1356 536 1020
20020523 1426 544 1002
20020523 1450 550 986

Regards, Rainer
May 23 2002 11:13:55 Rainer Kracht
R.Kracht@t-online.de
I waited for the third image...

Congrats Mike!

Regards, Rainer
May 23 2002 11:14:41 Maik Meyer
maik@comethunter.de
Confirmation of my previous report:


Possible Kreutz sungrazer in C2 real time images

23 May 2002, 1024x1024, 0,0 upper left

13:56 537, 1020
14:26 544, 1001
14:50 550, 988 (extrapolated from b/w images)

Maik
May 23 2002 12:24:15 Maik Meyer
maik@comethunter.de
Kreutz comet in C2 real time images, final update:


23 May 2002, 1024x1024, 0,0 upper left

13:56 537, 1020
14:26 544, 1001
14:50 551, 986
15:06 555, 976
15:26 561, 963

Diffuse, dissolving and faint comet.

Maik
May 24 2002 02:29:17 Benoit ROUSSEAU
webmestre@orthoptie.net
Hello,


We are new here but maybee there's an object moving in the letft
lower part of real time C2 images on Fri May 24 06:12:56 GMT 2002

512 x 512 0.0 upper left

1 76 21 20020523 1826 3886226 5045664
2 80 21 20020523 1850 3886250 5003950
3 83 21 20020523 1927 3886287 4973063
4 85 21 20020523 1950 3886310 4952665
5 88 20 20020523 2006 3886326 4936407
6 90 23 20020523 2026 3886346 4874224
7 92 21 20020523 2050 3886370 4882524
8 96 22 20020523 2126 3886406 4829088
9 98 23 20020523 2150 3886430 4795400
10 99 22 20020523 2206 3886446 4800054
11 107 22 20020523 2326 3886526 4724531
12 111 23 20020524 0006 3886566 4673175
13 116 24 20020524 0050 3886610 4613413
14 118 24 20020524 0127 3886647 4595696
15 121 24 20020524 0150 3886670 4569481
16 124 25 20020524 0206 3886686 4528706
17 125 24 20020524 0226 3886706 4535210
18 129 24 20020524 0250 3886730 4501736
19 129 26 20020524 0306 3886746 4471476
20 130 26 20020524 0326 3886766 4463178
21 131 26 20020524 0350 3886790 4454932
22 134 26 20020524 0406 3886806 4430504
23 137 27 20020524 0426 3886826 4391219
24 142 27 20020524 0506 3886866 4352229

Regards.

Benoit ROUSSEAU & Philippe BERTRAND (Fontainebleau. FRANCE)
May 24 2002 02:40:43 Maik Meyer
maik@comethunter.de
Benoit, Philippe,


this is a star. Stars move from left to right with almost constant
y coordinates.

Maik
May 24 2002 06:39:05 Benoit Rousseau
webmestre@orthoptie.net
Sorry for our previous message.

That was our first try in two months.
We're still learning !

Keeping the faith !

Benoit & Philippe
May 24 2002 10:25:39 Anthony Jennings
anthony.jennings@hulme-grammar.oldham.sch.uk
using latest images on page

http://sohowww.nascom.nasa.gov/

0,0 upper left

302,963 20020524 time 6:50
310,959 20020524 time 7:27
318,958 20020524 time 8:06
321,958 20020524 time 8:26

travelling from lower left towards lower mid right

I am friend of Mike Oates of Manchester UK
May 24 2002 10:56:51 Sebastian Hoenig
Sebastian@ungrazer.org
Possiblke Kreutz comet in LASCO C3 images


Date: May 24, 2002

Positions: (0,0) upper left, 1024 x 1024

Time (x,y)
12:42 567,648
13:42 569,640
14:18 570,635

More on this soon.

Sebastian Hoenig
May 24 2002 11:07:07 Sebastian Hoenig
Sebastian@ungrazer.org
Kreutz comet in LASCO C3 images

(UPDATE and CONFIRMATION of my previous report)

Positions: (0,0) upper left, 1024 x 1024

Time (x,y)
... ...,...
09:42 561,671
10:42 563,663
11:18 564,659
11:42 565,656
12:18 566,651
12:42 567,648
13:42 569,640
14:18 570,635

plus more images previous. Was no one willing to report this one? :)

Sebastian Hoenig
May 24 2002 15:18:00 Sebastian Hoenig
Sebastian@sungrazer.org
Comet enters C2 FOV at 18:50 784,1012 - propably the one I have 

discovered in C3 earlier.
May 24 2002 19:09:14 Ty Lebsack
lebsack@email.arizona.edu
I think this is a very faint one. C2 Image = 1024x1024 real time


Time x,y

15:50 233,201
16:06 218,205
16:26 195,209

C2 Image Size = 1024x1024

May 24 2002 19:31:31 Ty Lebsack
lebsack@email.arizona.edu
I think this is a very faint one, on the bottom left moving from right to left. Anyone else confirm?

C2 Image = 1024x1024
May 24th
Uper left 0,0



Time x,y



15:50 233,201

16:06 218,205

16:26 195,209



C2 Image Size = 1024x1024



May 24 2002 23:27:42 Kasuga Rie
ks4people@aol.com
Dear Doug


Hello,

Thank you for your advice.
I received at your e-mail letter.

Yesterday,I wrote;

<>

I write more detailed report.

1.Lasco C2 = images
2.Date: 05/24/2002
3.Time 02:26
4.Coments:
I found the comet which is below(right side) the Sun.
It moved from right to left toward the Sun. It was shooting the Sun.

Please check it.

Best regards.

Rie Kasuga
May 25 2002 02:40:45 Lin Zhang
zhanglinas@yeah.net
I'm a new comer,I found something but not sure whether it was a comet.Can anybody help me confirm?

C2 512*512 bright to dim and disappeared 20020524
1850 392,506
1927 394,492
1950 395,483
2006 396,476
2026 397,468
2050 398,458
2126 399,444
2150 399,434
2206 400,426
2226 400,417
May 25 2002 02:55:20 James McCanney
jmccanney@usinternet.com
Possible comet in LASCO C3 images


Date: may 24, 2002

Brief description:
bright comet, moderately condensed, some
tail visible ,coming out of lower left by arm

Positions: 512x512 images, (0,0) lower left

Time (x,y) approximate (estimated)

16:18 88,60
19:42 90,60
20:18 92,60
20:42 94,60

Regards,
[McCanney, James]
James Michael McCanney
PS Mercury is due for a transit but this object does not have
the line through it as it should for a planet and seems too low
May 25 2002 03:27:12 Maik Meyer
maik@comethunter.de
Last reports:


As far as I have checked, real comets are the objects

May 18 C2 by R. Kracht
May 22 C2 X. Leprette (Archival comet)
May 23 C2 M. Meyer
May 24 C2, C3 S. Hoenig

Other claims:
Ty:
Are there more positions? where is the object before and after
your indicated times?
Rie:
One image isn't enough. What you saw is a streak of cosmic
rays. Please make yourself familiar with the reporting format and
common beginners mistakes. Examples for mistakes are on the report
input form and at www.sungrazer.org.
Lie:
This is Sebastians C3 comet. If you look a little bit below
your report you see that Sebastian notes that his comet enters C2
and gives the first position.
James:
This is a star. Stars move from left to right with almost mo
change in y coordinates.

Of course, the last word is at Doug.

Maik
May 25 2002 07:43:35 Chen DongHua
cdh_email@163.net
Possible comet in C2 realtime images

1024x1024 0,0 upper left
2002/05/25 1026 567 1015
05/25 1106 575 988
Awaiting next images.
DongHua Chen
May 25 2002 08:02:34 Rainer Kracht
R.Kracht@t-online.de
possible comet in C2 images

b/w 512*512 from the LASCO website
enlarged to 1024*1024
0,0 in upper left corner

Date Time x y
20020525 1026 566 1012
20020525 1106 574 988
20020525 1126 578 976

Regards, Rainer
May 25 2002 08:09:26 DongHua Chen
cdh_email@163.net
Kreutz comet in C2 realtime images:

(Update my previous report)

1024x1024 0,0 upper left

2002/05/25 1026 567 1015
2002/05/25 1106 575 988
2002/05/25 1126 579 975
2002/05/25 1150

DongHua Chen
May 25 2002 08:41:34 DongHua Chen
cdh_email@163.net
Kreutz comet in C2 realtime images:

(Update my previous report)

1024x1024 0,0 upper left

2002/05/25 1026 567 1015
2002/05/25 1106 575 988
2002/05/25 1126 579 975
2002/05/25 1150 590 960(B/W,enlarged to 1024)
2002/05/25 1206 587 947

Regard,

DongHua Chen
May 25 2002 09:14:47 XingMing Zhou
zh_x_m@163.net
Oh,a fine comet,Congrats DongHua!


XingMing
May 25 2002 09:15:55 Chen DongHua
cdh_email@163.net
Update my previous report for the Kreutz comet

in C2 realtime images.

Positions: 1024x1024 (0,0) upper left

2002/05/25 1026 567 1015
2002/05/25 1050 571 998
2002/05/25 1106 575 988
2002/05/25 1126 579 975
2002/05/25 1150 585 961
2002/05/25 1206 587 947

Regards,

DongHua Chen
May 25 2002 10:38:55 Rainer Kracht
R.Kracht@t-online.de
Kreutz sungrazer in archival C2 images of 2000 March 19.


C2, 1024x1024, 0,0 upper left

22064205.fts 11:06 73,1022
22064206.fts 11:30 95,1002
22064207.fts 11:54 117, 982
22064208.fts 12:06 128, 972
22064209.fts 12:30 150, 951
22064210.fts 12:54 173, 930

small comet, looks like a Kreutz sungrazer

my previous report (May 25 2002 08:02:34)
is clearly DongHua's comet, Congrats!

Regards, Rainer
May 26 2002 05:03:10 David Evans
davebirminghamuk@blueyonder.co.uk
C2 Image Size = 1024x1024

0, 0, lower left

Point X Y YYYYMMDD HHMM Julmins Height(km)
0 607 122 20020525 1327 3888807 3419146
1 613 138 20020525 1350 3888830 3299271
2 617 149 20020525 1406 3888846 3217872
3 620 163 20020525 1426 3888866 3110330

Time(s) Height(km)
0.0 3419146
1380.0 3299271
2340.0 3217872
3540.0 3110330
Height vs Time Slope = -87 km/s
Height vs Time Intercept = 3419644 km
Height vs Time Correlation coeff = -0.9
May 26 2002 06:48:04 David Evans
davebirminghamuk@blueyonder.co.uk
More addition points to update my previous report of a Kreutz comet found in C2 realtime images.


C2 Image Size = 1024x1024
0, 0, lower left

Point X Y YYYYMMDD HHMM Julmins Height(km)
0 575 30 20020525 1106 3888666 4145978
1 579 42 20020525 1126 3888686 4048458
2 585 58 20020525 1150 3888710 3920342
3 589 68 20020525 1206 3888726 3841359
4 598 96 20020525 1250 3888770 3619655
5 607 123 20020525 1327 3888807 3410788
6 613 138 20020525 1350 3888830 3299271
7 616 149 20020525 1406 3888846 3215384
8 620 163 20020525 1426 3888866 3102123

Time(s) Height(km)
0.0 4145978
1200.0 4048458
2640.0 3920342
3600.0 3841359
6240.0 3619655
8460.0 3410788
9840.0 3299271
10800.0 3215384
12000.0 3102123

Height vs Time Slope = -86 km/s
Height vs Time Intercept = 4151585 km
Height vs Time Correlation coeff = -0.9
May 26 2002 07:18:17 Sebastian Hoenig
Sebastian@sungrazer.org
David,


before reporting objects please look at previous reports whether
the object has already be found. If you had done so you would
have noticed that this comet was reported first by DongHua Chen
yesterday (see report May 25 2002 07:43:35) with confirmations
from Rainer Kracht and Xingming Zhou.

Regards, Sebastian
May 27 2002 07:59:47 Rainer Kracht
R.Kracht@t-online.de
Kreutz sungrazer in archival C2 images of 2000 March 28.


C2, 1024x1024, 0,0 upper left

22064647.fts 15:30 258,1001
22064648.fts 15:54 278, 979
22064649.fts 16:06 288, 967
22064650.fts 16:31 310, 944
22064651.fts 16:54 330, 920
22064652.fts 17:06 341, 908

small comet, condensed

Regards, Rainer
May 27 2002 10:43:27 michael boschat
aa063@chebucto.ns.ca
Possible comet in C2 at 20020527_1226 UT


I'm at the university but can't
get XY right now. The Object is in
the lower right part of C2 near a "data noise"
about the 5pm position. Usig 1024 x 1024
size. Med bright.

Hoping for more images, on 2 so far:

20020527_1226_c2.gif
20020527_1250_c2.gif

Mike Boschat
May 27 2002 11:21:39 michael boschat
aa063@chebucto.ns.ca
Possible comet in C2 images - 20020527_1226 UT


Made it home! Here are the XY's
No new images yet!
In the 1024 images it looks point like
but the 512 images looks funny in shape.

****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.


0,477 in lower left corner

LASCO C2 IMAGES

Date & UT Size X and Y
of Images used Coordinates
--------------------------------------------
20020527_1226.gif 512 x 512 383, 474
20020527_1250.gif 512 x 512 383, 458

----------------
Michael Boschat
May 27 2002 12:55:16 Xavier Leprette
xavier.leprette@wanadoo.fr
Beautiful CME is visible now in C2 above the sun from 13:50 to 

15:26 UT.
13:50 436,203 in 1024 image

Xavier Leprette
May 27 2002 13:24:18 michael boschat
aa063@chebucto.ns.ca
Disregard my 2 posts of:
May 27 2002 11:21:39
May 27 2002 10:43:27

looks like noise.

MB
May 27 2002 14:37:24 Martin Chuter
martin.saturdayparty@ntlworld.com
Whats that very bright object in the C3 images...  lower left corner...   dont tell me its Mercury, if so, my earlier report of a possible comet still stands?


Martin
May 27 2002 14:50:37 Maik Meyer
maik@comethunter.de
Martin,


a star, namely Aldebaran, alpha Tauri.

Maik
May 27 2002 17:38:15 David Evans
davebirminghamuk@blueyonder.co.uk
Possible ???, but could be just a random chance alignement of noise... Positioned just below and to the left of DongHua's comet which is also visible in the same C2 frames


Point X Y YYYYMMDD HHMM Julimins Height(km)
0 515 48 20020525 1250 3888770 3951734
1 525 61 20020525 1327 3888807 3841718
2 542 70 20020525 1350 3888830 3772349
3 559 80 20020525 1406 3888846 3700543

Time(s) Height(km)
0.0 3951734
2220.0 3841718
3600.0 3772349
4560.0 3700543
Height vs Time Slope = -53 km/s
Height vs Time Intercept = 3956348 km
Height vs Time Correlation coeff = -0.9

May 28 2002 04:47:18 rie kasuga
ks4people@aol.com
Dear Dong and Maik


Hello,

I found the comet while watching real time screen saver on the Internet. (May be)
1. LASCO C3 = images
2. Date & Time = 2002/5/27
3. Positions = 512~512 (0,0) upper right
4. 20020527_1042_c3.gif
5. Comments = the object was in upper right near the Sun. It was shooting toward the Sun.

Isnft my report enough?

Best regards

Rie
May 28 2002 05:15:08 Maik Meyer
maik@comethunter.de
Rie,


this is again a cosmic ray hit.

Comets move. The are visible in successive images. Not only in one
image.

Please look at the report form for common mistakes. You will see
that cosmic rays are described there. Second, make yourself
familiar what a comet looks like in the images by looking at the
confirmed reports. Third, look at the requested format. You will
see that several positions are needed. The following recent comets
may be instructive (all are Kreutz group comets).

May 18 C2 by R. Kracht (C/2002 K3 (SOHO)
May 22 C2 X. Leprette (Archival find April 2001)
May 23 C2 M. Meyer
May 24 C2, C3 S. Hoenig
May 25 C2 D. Chen
May 25 C2 R. Kracht (Archival find March 2000)
May 27 C2 R. Kracht (Archival find March 2000)

You'll find positions for these claims at this board and can check
for yourself how a comet looks like. Another starting point is
http://sungrazer.org for a step-to-step guide for finding SOHO
comets.

Kind regards, Maik
May 28 2002 07:18:47 Ryan Cantrell
ryancantrell@comcast.net
Can you periodically show the updated total of comets found

so far, please?

Thanks,
Ryan
May 28 2002 10:24:06 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

I'm back in the office, though only for 2 days. Note, we will
update the current count of comets whenever we are able. Also,
the only definitive confirmations can come from Doug or Derek.
That said, I certainly appreciate that the posters to these
pages are generally keeping things under control.

Doug
May 28 2002 12:00:47 Scarmato Toni
toniscarmato@hotmail.com
Possible comet in C2


positions 1024x1024 (0,0) top-left corner

2002/05/28

13:50 (522,1012)
14:06 (523,1005)

I am waiting other images to confirm.

Regards,

Toni Scarmato
May 28 2002 12:31:51 Scamato Toni
toniscarmato@libero.it
Possible comet in C3 starting at


1024x1024 (0,0) top-left corner

2002/05/28

14:18 (526,1020)

Regards,

Toni Scarmato
May 28 2002 12:41:01 Scarmato Toni
toniscarmato@libero.it
Update my last C2 report


1024x1024 (0,0) top-left corner

2002/05/28

13:50 (522,1012)
14:06 (523,1005)
14:26 (525,995)
14:50 (528,983)
15:06 (530,977)



Regards,

Toni Scarmato

May 28 2002 12:48:42 Scamato Toni
toniscarmato@libero.it
Regarding instead the C3 report,

nothing visible at 14:42


Toni Scarmato
May 28 2002 18:31:31 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

Just a quick update. The current comet count is 449. There are
4 claims pending. Sorry, don't have the time to list these
individually. That will happen eventually.

Doug
May 28 2002 22:30:08 michael boschat
aa063@chebucto.ns.ca
Possible comet in C3 images - 20020528_2318 UT



****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.


0,477 in lower left corner

LASCO C3 IMAGES

Date & UT Size X and Y
of Images used Coordinates
--------------------------------------------
20020528_2318.gif 512 x 512 290, 377
20020528_2342.gif 512 x 512 290, 373
20020529_0018.gif 512 x 512 289, 370
20020529_0042.gif 512 x 512 290, 368

----------------
Michael Boschat
May 29 2002 08:07:48 michael boschat
aa063@chebucto.ns.ca
DISREGARD my post of May 28 2002 22:30:08
noise.

MB
May 29 2002 13:30:02 Douglas Biesecker
doug@sungrazer.nascom.nasa.gov

A spacecraft status update. In order to perform momentum
management (to adjust the speed of the reaction wheels) and to
perform station keeping (to keep SOHO in its orbit), spacecraft
activities will begin Friday night and last through early next
week. Due to the thruster firings and the fact that the Sun
pointing can't be guaranteed, the LASCO doors must be closed.
They'll be closing about 24 UT Friday night and re-opening
about 12 UT on Wednesday. You can follow the spacecraft action
by watching EIT movies.

Doug
May 29 2002 14:07:13 David Evans
davebirminghamuk@blueyonder.co.uk
A strange object.... with a curved path.... any ideas ???


C3 Real Time images
0,0 lower left

Point X Y YYYYMMDD HHMM
0 691 404 20020528 1939
1 696 404 20020528 2118
2 697 405 20020528 2142
3 698 405 20020528 2218
4 702 405 20020528 2342
5 703 405 20020529 0018
6 704 406 20020529 0042
7 706 406 20020529 0142
8 708 406 20020529 0218
9 709 406 20020529 0242
10 710 407 20020529 0318
11 712 407 20020529 0342
12 714 407 20020529 0442
13 717 407 20020529 0518
14 716 407 20020529 0542
15 718 408 20020529 0618
16 719 408 20020529 0642
17 722 408 20020529 0742
18 723 408 20020529 0818
19 724 408 20020529 0842
20 726 408 20020529 0918
21 728 408 20020529 0942
22 729 409 20020529 1042
23 732 410 20020529 1142
24 733 409 20020529 1218
25 735 409 20020529 1242
26 738 410 20020529 1418
27 739 409 20020529 1442
28 743 411 20020529 1618
29 744 411 20020529 1642

Regards
Dave Evans
May 29 2002 14:48:00 David Evans
davebirminghamuk@blueyonder.co.uk
Please disregard my last posting - I mistook a close-by reference star as 


the moving object!!! The actual moving object, gradually brightening,

is as follows........ my humble appologies.

Not all points have been included in this report, however the object is

visible on all C3 frames within the observed time span.

0,0 lower left


X Y YYYYMMDD HHMM


633 407 20020528 1042

656 407 20020528 1618

690 405 20020529 0018

715 404 20020529 0618

741 403 20020529 1242



Regards
Dave Evans
May 29 2002 17:05:42 Christian Virella
sharkmx14@yahoo.com
Hi I think I may have discovered a comet using the SOHO images. The time that I found the comet was listed under the image and it had this time on while I found the comet,(2002/05/24 02:26) that was the currant time that it had when I found the comet. I need you to look at the image to see if I discovered a comet; but I'm preety sure I did. Just e-mail me at sharkmx14@yahoo.com to tell me if I discovered a comet. Bye. 
May 29 2002 17:22:58 Martin Chuter
martin.saturdayparty@ntlworld.com
C3 Image Size = 512x512


Point X Y YYYYMMDD HHMM Julmins Height(km)
0 352 200 20020529 0342 3893982 9260004
1 354 199 20020529 0442 3894042 9439478
2 356 200 20020529 0518 3894078 9526736
3 355 199 20020529 0542 3894102 9505950
4 357 199 20020529 0618 3894138 9639572
5 358 200 20020529 0642 3894162 9661435
6 361 200 20020529 0742 3894222 9865048
7 362 199 20020529 0818 3894258 9977362
8 362 200 20020529 0842 3894282 9933319
9 365 198 20020529 0918 3894318 1.022E7
10 364 200 20020529 0942 3894342 1.007E7
11 366 197 20020529 1042 3894402 1.033E7
12 368 199 20020529 1142 3894462 1.038E7
13 370 200 20020529 1218 3894498 1.048E7
14 371 199 20020529 1242 3894522 1.059E7

512x512 C3 image....


0,0 bottom left
May 29 2002 17:30:21 Martin Chuter
martin.saturdayparty@ntlworld.com
keep forgetting to post my name!


Martin Chuter
May 29 2002 17:36:32 Maik Meyer
maik@comethunter.de
David: This is Mercury. Brightening and moving just as predicted.


Christian: One image isn't enough. It should be visible in at
least four consecutive images, move in a consistent way and also
the shape and brightness should change in a predictable way. So,
if that is not the case - then its not a comet.

Martin: A star.

Regards, Maik
May 29 2002 17:46:17 Martin Chuter
martin.saturdayparty@ntlworld.com
I hate to say this, but surely your wrong!


That object is certainly not a star! It moves a lot faster than the background stars and moves diagonally downwards and to the right, discounting it as a star... (speed the moving GIF images up and you'll see)

Also not being nasty or anything, but reading a previous post on this board, I would like my confirmation verified by Doug or Derek...

May 28 2002 10:24:06 Doug Biesecker
--------------------------------------------------------------------------------
doug@sungrazer.nascom.nasa.gov
I'm back in the office, though only for 2 days. Note, we will
update the current count of comets whenever we are able. Also,
the only definitive confirmations can come from Doug or Derek.
That said, I certainly appreciate that the posters to these
pages are generally keeping things under control.

Doug
May 29 2002 17:50:39 Maik Meyer
maik@comethunter.de
Upon careful rechecking it might be possible that Martin also refers

to Mercury. (The coordinates don't match in y)

Maik
May 29 2002 17:51:04 Martin Chuter
martin.saturdayparty@ntlworld.com
previous post by Martin
May 29 2002 17:55:14 Maik Meyer
maik@comethunter.de
Martin,


just wanted to help and avoid confusion for others following
false claims. For discussion I'd like to refer and invite you
and others to the sohohunter yahoo mailing list.

The thing is that Mercury has been posted now about 5 or 6 times
although it is listed in the transits list.

Maik
May 29 2002 17:58:38 Martin Chuter
martin.saturdayparty@ntlworld.com
how do people join this list?
May 29 2002 18:28:20 Rainer Kracht
R.Kracht@t-online.de
The list is at

http://groups.yahoo.com/group/sohohunter/

Rainer
May 30 2002 02:01:27 Derek Hammer
derek@sungrazer.nascom.nasa.gov