SOHO-LASCO Comet Reports for 200112

Dec 01 2001 15:03:14 Derek Hammer
derek@ra.nascom.nasa.gov
I apologize,


I should have noted that T. Scarmato's archive claim of
4/25/01 is still under consideration and a final decision will be
made when Doug returns. Therefore, the SOHO numbering is currently
uncertain.

Derek
Dec 02 2001 07:13:29 Sebastian Hoenig
Sebastian@sungrazer.org
Possible comet in LASCO C2 images


Date: Dec 02, 2001

Description:
faint, somewhat condensed

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

Time (x,y)
10:34 283,960
10:56 281,942
11:06 280,934
11:30 278,915
11:54 277,896

More on this soon.

Sebastian Hoenig
Dec 02 2001 07:37:24 Sebastian Hoenig
Sebastian@sungrazer.org
Comet in LASCO C2 images, starting 20011202_0930_c2.gif

(Update of the last report)

Description:
clearly cometary, visible in 8 images, more condensed than
SOHO-376 (Xavier, Nov 26), no tail visible

Date: Dec 02, 2001

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

Time (x,y)
09:30 287,1020
09:54 ---,--- covered by "9" of "09:54"
10:34 283,960
10:56 281,942
11:06 280,934
11:30 278,915
11:54 277,896
12:06 275,886

Sebastian Hoenig
Dec 02 2001 08:53:50 Rainer Kracht
R.Kracht@t-online.de
I confirm Sebastian's comet

but I think it is covered by "9" of "09:30"
also at 09:30

Rainer
Dec 02 2001 08:58:10 Sebastian Hoenig
Sebastian@sungrazer.org
Yep. Rainer's right. It it also covered in the 9:30.

I miscalculated the speed and so located the wrong object in that
image. Anyhow, I promise it will be visible in FITS images of
9:30 and 9:54.

Regards and thanks to Rainer.

Sebastian
Dec 03 2001 11:35:20 Scarmato Toni
toniscarmato@libero.it
Possible comet in C3 at


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


2001/12/03 15:18 (344,442)
2001/12/03 15:42 (343,441)
2001/12/03 16:18 (341,439)


I am waiting other images to confirm


Regards,

Toni Scarmato
Dec 03 2001 16:29:33 Doug Biesecker
doug@sungrazer.nascom.nasa.gov
Hi everyone,


I've confirmed Sebastian Hoenig's find of a comet in C2
data from Dec 2, 2001. My positions are given below. I'm back,
in town, if only for one week. I should think this one is visible
in C3, though a check did not reveal it. This time of year we
should be able to see them in C3.

Doug

# HEIGHT DATE TIME ANGLE TEL FC COL ROW
6.49 2001/12/02 09:30:05 155.6 C2 10 289.0 13.0
6.32 2001/12/02 09:54:05 154.6 C2 10 287.0 30.0
6.01 2001/12/02 10:34:07 152.7 C2 10 283.0 61.0
5.84 2001/12/02 10:56:28 151.5 C2 10 281.0 79.0
5.74 2001/12/02 11:06:52 151.0 C2 10 281.0 88.0
5.57 2001/12/02 11:30:05 149.5 C2 10 278.0 107.0
5.37 2001/12/02 11:54:05 148.1 C2 10 277.0 127.0
5.27 2001/12/02 12:06:05 147.4 C2 10 277.0 137.0
Dec 03 2001 16:33:06 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

Having been prompted by the post from earlier today, I want to make
the following comment. From now on, I cannot guarantee that I will
even bother to examine the data when fewer than 4 images are posted.
If the post seems to be speculative, I'm probably going to ignore
it. If further data comes in to confirm it, then post again. Of
course, the first speculative post should never have been made in
the first case in instances such as these.

Doug
Dec 03 2001 17:32:47 Doug Biesecker
doug@sungrazer.nascom.nasa.gov
I've updated the C3 Transits link to include the expected transits

of planets, comets, and asteroids for 2002. I've also added a
link for the brightest stars. I'm not sure if I've included them
all. Anyway, feel free to let me know of mistakes or if I should
add anything. I could always do a list of the Messier objects,
but I don't really have the time.

Doug
Dec 04 2001 06:20:57 Scarmato Toni
toniscarmato@libero.it
Due to problem with fast satellite connection, 

yesterday I cannot to follow the images
regarding my last report.

Now I have download the images at 1024 pixels and
I not see real objects at positions pointed.

Regards,

Toni Scarmato
Dec 04 2001 07:55:20
 
Dec 04 2001 07:56:10
 
Dec 04 2001 09:09:51 Maik Meyer
maik@comethunter.de
Well, this will be a strange report:


Cometary suspect in B/W and color images. First spotted in B/W images
but I wasn't able to download all. Verified the two B/W images with one color image:

Telescope C2, Date 2001/12/04
10:54 1024x1024 252, 1017
11:06 B/W extrapolated to 1024x1024 254, 1014
11:30 B/W extrapolated to 1024x1024 250, 990

Regards

Maik
Dec 04 2001 09:20:26 Maik Meyer
maik@comethunter.de
Update:


1024x1024 images (0,0 upper left)

Date: 2001/12/04, C2

10:54 252, 1016
11:06 251, 1007
11:30 250, 988
Still figuring about the 13:32 image.

Regards

Maik
Dec 04 2001 10:23:43 michael boschat
aa063@chebucto.ns.ca
Re-Maik's C2 find. I reversed the

512 size C2 images to black on white and
enlarged them 1:2 size. I thought
I could the object faintly in the 1354 UT
image but lost it after that.

Mike Boschat

Dec 04 2001 10:51:05 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

I've confirmed Maik Meyer's reported comet in C2 on Dec 4.
Pretty much like the one on Dec 2. I haven't checked the C3
data yet. Rough positions given below.

Doug

# HEIGHT DATE TIME ANGLE TEL FC COL ROW
6.75 2001/12/04 10:54:32 152.2 C2 10 250.0 7.0
6.67 2001/12/04 11:06:05 152.0 C2 10 252.0 14.0
6.47 2001/12/04 11:30:06 150.9 C2 10 250.0 34.0
6.30 2001/12/04 11:54:05 149.8 C2 10 249.0 52.0
6.19 2001/12/04 12:06:06 149.2 C2 10 249.0 63.0
5.99 2001/12/04 12:30:05 147.9 C2 11 248.0 83.0
Dec 04 2001 23:57:39 Rob Matson
matsonr@saic.com
Hi All,


I've been scanning through archive images of C2 and found
an odd little sequence that's perhaps worth a look. There
are only 5 frames, unfortunately, so it may not be possible
to distinguish noise from a real object. Approximate
positions are given below (1024x1024 - 0,0 in upper
left corner):

08/11/2001 21:54 669, 733 (very diffuse?)
22:06 668, 728
22:30 666, 718
* 23:06 660, 712 (tail?)
* 23:30 653, 709 (coma)

Prior frame is 20:30, and next frame is 00:30. Frames
marked with an asterisk are the most compelling. The
object, if real, is moving in a tight arc, suggesting
a trajectory with a significant velocity component
toward the camera.

--Rob Matson
Dec 05 2001 05:17:23 Pavel Shkreby
pavel01@mail.ru
Possible sungrazing comet in a real-time C2 images now.

Visible from 2001/12/05 08:30 UT in 4 consecutive frames.
Telescope - C2
Position in last images
Time X Y
08:30 - 183.1019
08:54 - 186.1015
09:06 - 187.1013
09:30 - 188.1009
1024x1024 0.0 - upper left corner
----------
Pavel Shkreby
Dec 05 2001 10:12:46 Scarmato Toni
toniscarmato@libero.it
Possible comet in C2 starting at


2001/12/05 13:54 (544,1016)

Other positions at next post


Toni Scarmato
Dec 05 2001 10:16:13 Scarmato Toni
toniscarmato@libero.it
Update 

Possible comet in C2

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

2001/12/05 13:54 (544,1016)
2001/12/05 14:06 (540,994)
2001/12/05 14:30 (535,952)


Small object moving towrad the sun.
I am waiting other images to confirm.


Toni Scarmato
Dec 05 2001 10:29:28 Maik Meyer
maik@comethunter.de
Re: Toni's last claim


Some math show this to be noise:

The velocities in pixel per hour change in X from 20 pix/hr to 12.5
pix/hr and in Y from 110 pix/hr to 105 pix/hr. The deviation from
the straight line can also be seen in the images.

Regards

Maik
Dec 05 2001 10:35:36 Scarmato Toni
toniscarmato@libero.it
Possible comet in C3 at 


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

2001/12/05 13:42 (651,979)
2001/12/05 14:18 (643,970)
2001/12/05 14:42 (639,964) b/w

Comment:

the last images is B/W 512 pixel enlarged at 1024.
The object seem moving on apparent Kreutz orbit

Toni Scarmato
Dec 05 2001 10:45:00 Maik Meyer
maik@comethunter.de
Re: Toni's second claim (C3)


Here we go again...

Velocity in X 16 pix/hr changes to 8 pix/hr, in Y from 18 pix/hr to 12 pix/hr. Nevertheless, the images show absolutely nothing but
noise and the "orbit" is no Kreutz track at all...

Maik
Dec 05 2001 11:13:06 Scarmato Toni
toniscarmato@libero.it
Regarding my last two report:


For C2 object:

in the last images seem to be visible a little deviation,
but the Y shift is regular:

in 12 minutes ~22 pixels and in 24 minutes ~44 pixels.


For C3 objcet:

in 1024 images the object is visible also at

2001/12/05 15:18 (631,951), but change in brigthess and shape
in random way, also if the X and Y sfift is regular:

in 36 minutes

X shift ~8, Y shift ~9

in 24 minutes

X shift ~6, Y shift ~7

Regards,

Toni Scarmato






Dec 05 2001 17:40:47 Doug Biesecker
doug@sungrazer.nascom.nasa.gov
Hi all,

I've not been able to confirm any of today's reports. The
only suspect one is T. Scarmato's claim for a C2 comet between
1354 UT and 1430 UT. Unfortunately, with the point-like appearance
and only 3 images, this does not meet the minimum requirements.

For R. Matson's claim, the object's shape is inconsistent.
It varies quite dramatically. That is indicative of random cosmic
ray hits.

Doug
Dec 06 2001 03:21:08 Maik Meyer
maik@comethunter.de
Comet in C2 starting from 06:06


2001/12/06

1024x1024

06:06 258, 1003
06:30 256, 984
06:54 256, 965

Regards

Maik
Dec 06 2001 03:30:02 Xavier Leprette
xavier.leprette@education.gouv.fr
Possible sungrazer comet in a real-time C2 images now 


It is visible on 2001/12/05 from 06:06 to 08:06 UT in 5 consecutive frames
The object is faint, elongated, and it is moving towards the sun.

Positions soon
I'm waiting other images to confirm my report.

Xavier Leprette
Dec 06 2001 03:34:22 Maik Meyer
maik.comethunter.de
Update


06:06 258, 1003 (behind first "0" of time indication)
06:30 256, 984
06:54 256, 965

07:31 255, 935
08:06 255, 907

The comet is medium bright and might be even visible in C3.

Maik
Dec 06 2001 03:37:23 Xavier Leprette
xavier.leprette@education.gouv.fr
Possible sungrazer comet in a real-time C2 images now 

UPDATE :

It is visible on 2001/12/05 from 06:30 to 08:06 UT in 5 consecutive frames
The object is faint, with a tail and it is moving towards the sun.

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

col, row
06:30 UT 128,492
06:54 UT 128,482
07:31 UT 127,468
07:54 UT 127,459
08:06 UT 127,458

Xavier Leprette
Dec 06 2001 08:59:12 michael boschat
aa063@chebucto.ns.ca
Confused. 

Anyways, I'll confirm a
comet in C2 coming off the "0" as
indicated by Maik, but I'm not sure who
gets it - Maik or Xavier.
Unless there's 2 comets :o

"Mabey Doug should go back to the
3 name system" =(:o

Mike B. ( running and ducking )
Dec 06 2001 09:25:14 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

I've confirmed the comet first reported by M. Meyer. It's a bit
brighter than the past few C2 comets. I haven't checked the C3
data yet. Rough position measurements given below.

Doug

# HEIGHT DATE TIME ANGLE TEL FC COL ROW
6.58 2001/12/06 06:06:05 152.4 C2 10 258.0 19.0
6.38 2001/12/06 06:30:05 151.3 C2 10 257.0 39.0
6.20 2001/12/06 06:54:05 150.2 C2 10 256.0 57.0
5.89 2001/12/06 07:31:54 148.4 C2 10 256.0 88.0
5.72 2001/12/06 07:54:15 147.2 C2 10 255.0 106.0
5.62 2001/12/06 08:06:07 146.4 C2 10 254.0 116.0
5.42 2001/12/06 08:30:05 145.1 C2 10 255.0 136.0
5.23 2001/12/06 08:54:05 143.6 C2 10 255.0 156.0
5.14 2001/12/06 09:06:05 142.8 C2 10 255.0 166.0
Dec 06 2001 10:36:26 Scarmato Toni
toniscarmato@libero.it
Possible comet in C2 starting at


1024x1024 (0,0) top-left corner

2001/12/06 14:06 (466,1012)

Other positions at next post


Toni Scarmato
Dec 06 2001 10:42:21 Scarmato Toni
toniscarmato@libero.it
Possible comet in C2 Update


Visible in two C2 images

1024x1024 (0,0) top-left corner

2001/12/06 14:06 (466,1012)
2001/12/06 14:30 (476,990)

I Have looked in C3 and I found the following object:

1024x1024 (0,0) top-left corner

2001/12/06 13:42 (455,619)
2001/12/06 14:18 (465,610)


I am waiting other images to confirm

Toni Scarmato
Dec 06 2001 11:41:36 Scarmato Toni
toniscarmato@libero.it
Update last report:


the object seem visible on following C2
images

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

2001/12/06 14:54 (486,970)
2001/12/06 15:06 (489,958)

more faint but in agreement with other positions.


Toni Scarmato
Dec 06 2001 13:13:36 michael boschat
aa063@chebucto.ns.ca
Possible sungrazer in C2 images - 20011206_1554 UT


Coordinates next post.

Fuzzy thing between the "1" and the "5" in
the time part.

Michael Boschat
Dec 06 2001 13:16:45 michael boschat
aa063@chebucto.ns.ca
UPDATE on object in C2 images.



****** 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
--------------------------------------------
20011206_1554.gif 512 x 512 136, 476
20011206_1606.gif 512 x 512 136, 469
20011206_1630.gif 512 x 512 136, 465
20011206_1654.gif 512 x 512 137, 461

----------------
Michael Boschat


Dec 06 2001 14:27:01 Rob Matson
matsonr@saic.com
I cannot confirm Michael Boschat's comet (15:54 - 16:54) in C2

when looking at 1024 x 1024 images. The position for the 15:54
time would be inconsistent with the other three (Y velocity
of 0.58 pix/minute vs. 0.17 pix/minute).

--Rob
Dec 06 2001 14:28:46 Doug Biesecker
doug@sungrazer.nascom.nasa.gov
I am unable to confirm any of the reports since my last post.  The

C2 claim by T. Scarmato appears in no more than 2 frames. There
are no obvious objects at the positions indicated by M. Boschat.

Doug
Dec 07 2001 02:21:33
 
Dec 07 2001 06:25:41 Scarmato Toni
toniscarmato@libero.it
Possible comet visible in 4 consecutive C3 images


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


2001/12/07 03:42 (552,897)
2001/12/07 04:18 (550,895)
2001/12/07 04:42 (549,894)
2001/12/07 05:18 (547,892)


Comment:
object moving toward the sun, but the Y shift seem too
little for 1024 pixels.
I am waiting other images to confirm.


Regards,

Toni Scarmato
Dec 07 2001 07:13:22 Maik Meyer
maik@comethunter.de
Re: Toni's latest


...erratic movement, changing shape, sometimes only slightly over
background... just noise.

Maik
Dec 07 2001 15:32:31 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

Those wonderful people on the LASCO team have developed a neat
little tool that will allow you to measure and record positions
on real-time movies. Go to http://lasco-www.nrl.navy.mil/javagif/
and read the instructions at the bottom of the page. It may not
be the best way for you, but it should work for everyone.

Doug
Dec 07 2001 16:25:32 Jim Danaher
danaher@sprynet.com
Possible non-Kreutz C2 comet at: 

2001
12/07 1754 x=205 y=844
12/07 1806 x=217 y=833
12/07 1830 (not visible)
12/07 1854 x=237 y=810
12/07 1931 x=265 y=786
12/07 1954 x=284 y=769
12/07 2006 x=303 y=744
12/07 2030 x=315 y=728
(based on 1024x1024, upper left 0,0)
Jim Danaher
danaher@sprynet.com
Dec 07 2001 20:24:55 michael boschat
aa063@chebucto.ns.ca
Possible sungrazer in C2 images - 20011207_2354 UT


Object is coming off the top of
the "1" in the year ( 2001 ).


****** 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
--------------------------------------------
20011207_2354.gif 512 x 512 44, 445
20011208_0006.gif 512 x 512 44, 450
20011208_0030.gif 512 x 512 45, 441

----------------
Michael Boschat
Dec 07 2001 20:44:01 michael boschat
aa063@chebucto.ns.ca
UPDATE on C2 object -- 


The object could be on the 0054 UT
image at the positions I have re-listed
below.

Note, at 2330 UT the object "could" have
been behind the "1" in the 2001.

****** 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
--------------------------------------------
20011207_2354.gif 512 x 512 44, 455
20011208_0006.gif 512 x 512 44, 540
20011208_0030.gif 512 x 512 45, 441
20011208_0054.gif 512 x 512 46, 433

----------------
Michael Boschat
Dec 07 2001 21:24:54 Alexander Mimeev
alexpm@imail.ru
20011208 bw c2 bottom/left

0006 130 94
0030 133 121
0054 136 148

Alexander
Dec 07 2001 21:27:16 michael boschat
aa063@chebucto.ns.ca
UPDATE on UPDATE of C2 object:


I just downloaded the 1024 pixel
images and the object is well seen
as a small and diffuse object.
And is visible on the 0131 UT image
also.

Re-post of XY's using the 1024
pixels:

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


0,460 in lower left corner

LASCO C2 IMAGES

Date & UT Size X and Y
of Images used Coordinates
--------------------------------------------
20011207_2354.gif 1024 x 1024 87, 410
20011208_0006.gif 1024 x 1024 88, 402
20011208_0030.gif 1024 x 1024 90, 385
20011208_0054.gif 1024 x 1024 91, 367
20011208_0131.gif 1024 x 1024 95, 339

----------------
Michael Boschat


Dec 07 2001 21:41:46 Alexander Mimeev
alexpm@imail.ru
Sorry!!!


I has forgotten, that work in 300%.
All coordinates needed to divide in 3!
Then is got, that this comet which has found Boschat!
ˇongratulate, Michael!

20011208 bw c2 bottom/left
0006 130 94
0030 133 121
0054 136 148

Alexander
Dec 08 2001 13:29:52 Doug Biesecker
doug@sungrazer.nascom.nasa.gov
Derek and I will both be away on travel next week.  So, all

confirmations will have to wait until the following week. Please
try to keep the noise to a minimum. Good luck hunting for comets.

Doug
Dec 09 2001 09:30:15 Maik Meyer
maik@comethunter.de
Re: Jim Danaher's object (Post of Dec 07 2001 16:25:32)


This is noise. Some arguments support that:

1) Where was the object before 17:54?
2) Where is it at 18:30?
3) The shape changes in almost every image
4) The tail-like structure changes
5) The velocities in x and y change erratically (accelerating and
decelerating):
x (pix/hr)
60 -> 25 -> 45 -> 95 -> 30 !
y (pix/hr)
55 -> 29 -> 39 -> 125 -> 40 !

Regards

Maik
Dec 09 2001 11:39:33 Xavier Leprette
xavier.leprette@education.gouv.fr
Archive comet sungrazer in C3 images from 29-30 december 1996


The suspect object is fairly bright, rounded, condensed without tail.
It is visible in 8 consecutive C3 frames although the 512 images
are unusable.

Positions measured from the bottom left corner
in 1024x1024 (32011272.fts) and 1024x576 (others) frames :

Ref. image, X, Y, Time Date Format
32011269.fts 354 158 23:45:06.977 29 dec 1996 576
32011270.fts 362 171 01:21:28.416 30 dec 1996 576
32011271.fts 367 183 02:45:06.768 30 dec 1996 576

32011272.fts 377 421 04:18:10.115 30 dec 1996 1024

32011273.fts 385 210 05:45:06.366 30 dec 1996 576
32011278.fts 394 224 07:15:24.515 30 dec 1996 576
32011279.fts 404 239 08:45:05.964 30 dec 1996 576
32011280.fts 414 253 10:18:09.410 30 dec 1996 576

Xavier Leprette
Dec 10 2001 14:00:14 Scarmato Toni
toniscarmato@libero.it
Possible comet in C2 visible at 


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


2001/12/10 15:54 (124,497)
2001/12/10 16:06 (127,491)
.
.
.
.
2001/12/10 17:54 (148,449)


Comment: there is a time gap but the object seem a comet.

I am waiting other images to confirm

Tonoi Scarmato
Dec 11 2001 04:11:41 Scarmato Toni
toniscarmato@libero.it
Regarding my last report I Have download now

the images at 1024 pixel

No real object seem visible.

Regards,

Toni Scarmato
Dec 11 2001 11:23:29 Scarmato Toni
toniscarmato@libero.it
Possible not-Kreutz comet in c2 at 


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

2001/12/11 14:30 (338,3)
2001/12/11 14:54 (350,11)
2001/12/11 15:06 (357,15)


I am waiting other images to confirm


Toni Scarmato
Dec 11 2001 11:39:46 xavier Leprette
xavier.leprette@education.gouv.fr
A possible sungrazer comet in a real-time C2 images now.


The object is condensed, without a tail and it is visible in 3 consecutive images
on 2001/12/11 from 15:54 to 16:30 UT. The object is moving toward the sun.

Positions measured from the top-left corner of a 1024x1024 frames :
col, row
15:54 UT 225,967
16:06 UT 230,925

Xavier Leprette
Dec 11 2001 11:44:38 Xavier Leprette
xavier.leprette@education.gouv.fr
A possible sungrazer comet in a real-time C2 images now.

UPDATE :

The object is condensed, without a tail and it is visible in 3 consecutive images
on 2001/12/11 from 15:54 to 16:30 UT. The object is moving toward the sun.

Positions measured from the top-left corner of a 1024x1024 frames :
col, row
15:54 UT 225,967
16:06 UT 230,925
16:30 UT 240,846

Xavier Leprette
Dec 11 2001 12:12:43 Xavier Leprette
xavier.leprette@education.gouv.fr
About my two previous messages :


I think that it's not a comet because the velocity is too high and
the aspect is not really coherent between the data points.

Xavier
Dec 12 2001 05:26:14 Scarmato Toni
toniscarmato@libero.it
Regarding my last report I Have download the images at

1024 pixel.
The obejct is visible only on two images.


Toni Scarmato
Dec 12 2001 06:28:41 Scarmato Tonbi
toniscarmato@libero.it
Possible comet in c3 starting at 



2001/12/12 10:20 (174,478)

other positions at next post


Toni Scarmato
Dec 12 2001 06:33:40 Scarmato Toni
toniscarmato@libero.it
Update posible comet in C3



Positions 512x512 (0,0) top.left corner

2001/12/12 10:20 (184,476)
2001/12/12 10:42 (184,475)
2001/12/12 11:18 (184,473)


I am waiting other images to confirm


Toni Scarmato
Dec 12 2001 08:36:00 Scarmato Toni
toniscarmato@libero.it
Regarding my last post in C3 looking at 1024 pixels

images seem visible only noise.


Toni
Dec 12 2001 11:07:29 Ben Cacace
benc@nac.net
What happened to the 4 image rule for 

reporting objects that may be comets?

It appears this rule will reduce quite a
bit of noise if it is adhered to.

Ben Cacace
Dec 12 2001 15:18:03 Sebastian Hoenig
Sebastian@sungrazer.org
Poss. sungrazer in LASCO C2 images, starting 20011212_1931_c2.gif


Date: Dec 12, 2001

Description:
faint, diffuse, coming behind the "2" of Dec-12.

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

Time (x,y)
19:31 146,1006
19:54 148,990
20:06 149,981

More on this soon.

Sebastian Hoenig
Dec 12 2001 15:39:50 Sebastian Hoenig
Sebastian@sungrazer.org
New sungrazer in LASCO C2 images, starting 20011212_1931_c2.gif

(Update with further position -> CONFIRMATION: object is real)

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

Time (x,y)
19:31 146,1006
19:54 148,990
20:06 149,982
20:30 151,964

Sebastian Hoenig
Dec 12 2001 17:18:10 Sebastian Hoenig
Sebastian@sungrazer.org
New sungrazer in LASCO C2 images, starting 20011212_1931_c2.gif

(Update: complete set of positions)

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

Time (x,y)
19:31 146,1006
19:54 148,990
20:06 149,982
20:30 151,964
21:08 154,936
21:30 157,918

Sebastian Hoenig
Dec 12 2001 18:44:44 Rob Matson
matsonr@saic.com
Hi All,


I can confirm Sebastian's comet in C2. Additional approximate
positions appended to his (1024x1024 - 0,0 in upper left):

Time (x,y)
19:31 146,1006
19:54 148,990
20:06 149,982
20:30 151,964
21:08 154,936
21:30 157,918
21:54 162,902
22:06 162,891
22:30 165,872

--Rob
Dec 12 2001 18:44:46 michael boschat
aa063@chebucto.ns.ca
Just to make this valid, I assume we still

do this...

I can confirm Sebastian's C2 comet find.

Congrats!

Mike Boschat
Dec 12 2001 20:23:21 michael boschat
aa063@chebucto.ns.ca
Possible sungrazer in C2 images - 20011212_2354 UT


Seen in only 2 images not seen
in 0030 UT image. Was
it just noise? looked like it
had a faint "tail".
Coming off the second "0" in 2001.

****** 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
--------------------------------------------
20011212_2354.gif 512 x 512 29, 459
20011213_0006.gif 512 x 512 45, 442

Mike Boschat
Dec 12 2001 20:25:28 michael boschat
aa063@chebucto.ns.ca
Last post = make that the 

object is coming off the top
of the first "0" in 2001

Mike Boschat
Dec 12 2001 20:48:07 michael boschat
aa063@chebucto.ns.ca
Disregard my last post.


I downloaded 1024 size and
noticed that there was another
object parallel to it and of the
same shape and character, so
I believe this was noise.

Sorry..

Mike Boschat
Dec 12 2001 22:38:21 Alexander Mimeev
alexpm@imail.ru
Moving object:

c2 1024x1024 20011212 top/left

1854 643 99
1931 664 67
1954 676 49
2006 682 39
2030 694 22

Alexander
Dec 12 2001 22:56:17 Alexander Mimeev
alexpm@imail.ru
update

1806 616 143
1830 630 120
Alexander
Dec 12 2001 23:15:36 XingMing Zhou
zh_x_m@163.net
I can confirm Alexander's object. 

Maybe it is a Not-Kreutz comet,
visible from 16:54 to 20:30.
Congratulations!

XingMing
Dec 13 2001 13:11:06 Scarmato Toni
toniscarmato@libero.it
Possible comet in C2 stating at positions


1024x1024 (0,0) top-left corner

2001/12/13 17:30 (196,969)


Other positions at next post

Toni Scarmato
Dec 13 2001 13:16:12 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

time (Dec 13) x,y
1754 152,1018
1806 154,1008

Regards, Rainer
Dec 13 2001 13:30:55 Scarmato Toni
toniscarmato@libero.it
Update last report:


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


2001/12/13 17:30 (204,969)
2001/12/13 17:54 (204,943)
2001/12/13 18:06 (204,930)


The motion seem regular but the shape change in
random way.


Toni Scarmato
Dec 13 2001 13:40:56 Scarmato Toni
toniscarmato@libero.it
Possible comet in C3 starting at


postions 1024x1024 (0,0) tp-left corner


2001/12/13 17:42 (356,791)
2001/12/13 18:18 (358,786)

I am waiting other image to confirm

Toni Scarmato
Dec 13 2001 14:44:38 Rainer Kracht
R.Kracht@t-online.de
Don't consider my report Dec 13 2001 13:16:12

It was noise

Regards, Rainer
Dec 14 2001 00:01:20 Rob Matson
matsonr@saic.com
Found a possible object in C2, but have only 3 solid images

to go on. Emissions from the sun drown out the track at the
predicted location for a 4th point and beyond, and I can't
pick out anything convincingly above noise at earlier points
(which are also affected by high solar emissions).

I only post these points because the object follows a
predictable trajectory and has a reasonable "shape". It
moves left to right just above the solar disk, with a
slight curvature toward the sun:

C2 - 1024x1024 - 0,0 in upper left

2001/12/13 20:06 421, 291 (? very faint)
20:19 436, 289
20:55 480, 286
21:24 514, 286

dx/dt dy/dt
----- -----
+1.15 -0.15 (not solid)
+1.22 -0.08
+1.17 +0.0

Cheers,
Rob
Dec 14 2001 05:30:26 Scarmato Toni
toniscarmato@libero.it
Sooryy, but I Hav problem with the satellite connection.


Regarding my report in C3 yesterday no object
visible at 18:42. Only noise.


Toni
Dec 14 2001 08:03:37
 
Dec 14 2001 08:05:41
 
Dec 14 2001 12:02:56 michael boschat
aa063@chebucto.ns.ca
Possible sungrazer in C2 images - 20011214_1506 UT


Coming off the "2" in month. Could
be noise though because of shape.
Waiting for another image to be sure.

0,477 in lower left corner

LASCO C2 IMAGES

Date & UT Size X and Y
of Images used Coordinates
--------------------------------------------
20011214_1506.gif 512 x 512 80, 457
20011214_1530.gif 512 x 512 81, 455

Mike Boschat
Dec 14 2001 12:41:12 michael boschat
aa063@chebucto.ns.ca
Di-regard my last post of object in C2.


No new images came in so I downloaded the
1024 and after looking at them teh object
is brigh then gets fuzzy on the next.
Sooo... I will say noise.

Mike Boscaht
Dec 14 2001 18:38:52 Alexander Mimeev
alexpm@imail.ru
Very small object 20011214 512x512 c2 bottom/left on kreutz trajectory/

all coordinat divide on three.

2030 61 100
2108 78 152
2130 94 202
2154 106 244
Alexander
Dec 14 2001 18:57:54 Alexander Mimeev
alexpm@imail.ru
Disregards last post/

Coordinates diffuse/
Noise/
Alexander
Dec 15 2001 06:08:27 Scarmato Toni
toniscarmato@libero.it
Possible comet in C2 archives images

on 2001/04/25.
Finally, I Have found the program and method to process the
fits images in archives.
The first object is the same that I Have reported in this
page but with 4 positions.
In 1024 fits images I Have found other two positions.

Data 2001/04/25
Positions 1024x1024 (0,0) top-left corner

FileName

22091691.fts 10:31:30 X=590 Y=998 tail visible
22091692.fts 10:54:06 X=600 Y=974 tail visible
22091693.fts 11:06:05 X=606 Y=962 tail visible
22091694.fts 11:30:08 X=615 Y=939 no tail diffuse
22091695.fts 11:54:05 X=627 Y=915 point of ligth
22091696.fts 12:06:05 X=633 Y=905 point of light


The second object is visible in 4 images

Data 2001/04/25
Positions 1024x1024 (o,o) top-left corner

FileName

22091662.fts 00:06:05 X=539 Y=980 diffuse with tail
22091663.fts 00:30:05 X=558 Y=952 condensed no tail
22091664.fts 00:54:07 X=574 Y=920 condensed no tail
22091665.fts 01:31:40 X=587 Y=877 diffuse

The object moving on a curved orbit.


Regards,

Toni Scarmato




Dec 15 2001 21:19:02 Alexander Mimeev
alexpm@imail.ru
Who has found a second comet 20011212 before the passing of disk coronagraf?

It must was there be in the matutinal hours...
If who has found - that not the most weak hunter.

Alexander.

Dec 16 2001 00:38:06 Alexander Mimeev
alexpm@imail.ru

Ill-defined object left of the Sun.
Regrettably, no have possibilities
to extract additional image from
the archive, to give additional coordinates.

20010426 c3 1024 top/left

1218 136 498
1242 129 493
1418 113 482
1442 106 478

Alexander.

Dec 16 2001 06:54:43 Sebastian Hoenig
Sebastian@sungrazer.org
Dear Alex, dear all.


Thanks to have an archive of all comet discoveries this year I was
able to look at the gif-images of Apr 26 where Alex reported a
strange object. There was nothing real visible at the indicated
positions. Alex, maybe you only saw noise that occured when
processing the fits images.
I also do not think that the last non-Kreutz comet was visible
before "crossing" the disc. Occasionally comets have their
perihelion apperently above or below the disc and if they are only
visible close around perihelion they aren't visible long before.

Regarding the other archival finds of Toni:
I also processed the images some weeks ago (short after the first
report was posted). Derek already mentioned that it is under
consideration and I know why: anything is visible in 3 (4?)
images but after that there's no more satisfying position
available. "Diffuse" objects don't change spontaneous to "point of
lights". Regarding the second object: Remember, archival comets
also respect the physical laws. So if you see curved objects,
forget it! Please for everybody who wants to search through the
arcive: Mike O and Xavier have looked at almost every C2 image and
one doesn't have to expect to find even one per year. Perhaps
there are some left in 1996's C3 images - but not many more as
C3's were scanned through by Doug's automated search program.

Regards and happy weekend.

Sebastian
Dec 16 2001 15:52:08
 
Dec 16 2001 18:21:25 Tony Hoffman
Tony.Hoffman@worldnet.att.net
Possible comet in C3 realtime images 

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

2001_1216 2142 493,712
2001_1216 2118 492,717
2001_1216 2042 490,723
2001_1216 2018 489,729
2001_1216 2218 487,734

Tony Hoffman
Dec 16 2001 18:59:35 Tony Hoffman
Tony.Hoffman@worldnet.att.net
Nothing at 22:18; I suspect it's just noise. 

(By the way, the time for the bottom position
was 1942.)

--Tony H.
Dec 16 2001 21:49:52 XingMing Zhou
zh_x_m@163.net
A bright sungrazer comet in real-time c2 images now. 

0,0 in upper left corner

Images Size X, Y

20011216_1056_c2.gif 512 x 512 32, 499
20011216_1106_c2.gif 512 x 512 33, 495
20011216_1130_c2.gif 512 x 512 35, 486
20011216_1154_c2.gif 512 x 512 37, 476

XingMing Zhou
Dec 16 2001 22:03:58 XingMing Zhou
zh_x_m@163.net
Update

A bright sungrazer comet in real-time c2 images now.
0,0 in upper left corner

Images Size X, Y

20011216_1206_c2.gif 512 x 512 38, 471
20011216_1230_c2.gif 512 x 512 41, 463
20011216_1254_c2.gif 512 x 512 43, 453
20011216_1331_c2.gif 512 x 512 48, 437
20011216_1354_c2.gif 512 x 512 51, 428
20011216_1406_c2.gif 512 x 512 53, 423
20011216_1430_c2.gif 512 x 512 56, 413
20011216_1454_c2.gif 512 x 512 60, 403

XingMing Zhou
Dec 16 2001 23:08:08 XingMing Zhou
zh_x_m@163.net
Another bright sungrazer comet in real-time c2 images now. 

with a short tail.
0,0 in upper left corner

Images Size X, Y


20011216_1230_c2.gif 512 x 512 3, 414
20011216_1254_c2.gif 512 x 512 7, 405
20011216_1331_c2.gif 512 x 512 14, 391
20011216_1354_c2.gif 512 x 512 18, 383
20011216_1406_c2.gif 512 x 512 20, 378
20011216_1430_c2.gif 512 x 512 25, 369
20011216_1454_c2.gif 512 x 512 30, 359

XingMing Zhou
Dec 16 2001 23:36:57 Tony Hoffman
Tony.Hoffman@worldnet.att.net
A beautiful pair. Congrats, XingMing.


--Tony H.
Dec 17 2001 04:53:21 Hans Zekl
hze@softwareag.com
Moving object in the Lasco C3 images 16/17 Dec 2001:


the object shows a short tail and moves against the background nearing the sun from the right:

Position angle: about 110 degrees, counting clockwise from the top

Regards
Dr. Hans Zekl
Dec 17 2001 05:09:56 Maik Meyer
maik@comethunter.de
Hans,


please use coordinates and times for indicating an object. Additionally,
your indications let me think you mean Venus, which is the extremely
bright object at right. Please be sure to read
http://sungrazer.nascom.nasa.gov/cometform.html and also
http://sungrazer.nascom.nasa.gov/transits.html
as well as http://members.aol.com/sfhoenig/find.html and look there
for typical mistakes as well as examples of real comets.

Regards

Maik
Dec 17 2001 05:41:48 Hans Zekl
hze@softwareag.com
Hello Maik,


definitely not Venus.

Images C3 Lasco 512x512

Date/time: 2001/12/16 01:42 until 2001/12/17 09:18

Position at: 2001/12/17 09:18

351,293 (upper left=0,0)

Regards

Hans


Dec 17 2001 05:50:20 Sebastian Hoenig
Sebastian@sungrazer.org
Hans,


I just looked at your positions. What you reported in the 9:18
image is a "bad pixel" that doesn't move anyway. I also looked
at some earlier images but could not see anything. Perhaps you
may look at 1024 images so you can see what I describe.

Regards, Sebastian
Dec 17 2001 05:50:56 Maik Meyer
maik@comethunter.de
Hans,


the coordinate you gave is right on a cold pixel, which is always
at the same point, so all your coordinates should be same, right?

There are several such not functioning pixels in the field of view
of C2 and C3.

Regards

Maik
Dec 17 2001 08:35:52 Scarmato Toni
toniscarmato@libero.it
Possible comet in C3 now starting at


2001/12/17 11:18 (703,875)


Other positions at next post


Toni Scarmato
Dec 17 2001 08:41:16 Scarmato Toni
toniscarmato@libero.it
Update possible comet in C3


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

2001/12/17 11:18 (708,873)
2001/12/17 11:42 (707,872)
2001/12/17 12:18 (704,869) brigth with a tail


I am waitimng other images to confirm.

Toni Scarmato
Dec 17 2001 08:51:51 Scarmato Toni
toniscarmato@libero.it
Regarding my last report at 12:42 no object visible.


Only noise.

Toni
Dec 17 2001 17:56:14
 
Dec 18 2001 02:41:21 XingMing Zhou
zh_x_m@163.net
Possible sungrazer comet in real-time c2 images now.

faint.
0,0 in upper left corner

Images Size X, Y

20011218_0554_c2.gif 512 x 512 39, 507
20011218_0606_c2.gif 512 x 512 40, 504
20011218_0630_c2.gif 512 x 512 42, 496
20011218_0654_c2.gif 512 x 512 44, 485

XingMing Zhou
Dec 18 2001 02:52:18 XingMing Zhou
zh_x_m@163.net
Update

Possible sungrazer comet in real-time c2 images now.
faint.
0,0 in upper left corner

Images Size X, Y

20011218_0554_c2.gif 512 x 512 39, 507
20011218_0606_c2.gif 512 x 512 40, 504
20011218_0630_c2.gif 512 x 512 42, 496
20011218_0654_c2.gif 512 x 512 44, 485
20011218_0732_c2.gif 512 x 512 48, 471

XingMing Zhou
Dec 18 2001 03:34:03 Scarmato Toni
toniscarmato@libero.it
Possible comet in C2 starting at 06:30 (83,990)


Other positions at next post

Toni Scarmato
Dec 18 2001 03:36:36 Sebastian Hoenig
Sebastian@sungrazer.org
Confirmation of Xingming's find. WOW! Your 3rd within2 days.


BIG CONGRATULATIONS!!! Santa Claus presents you enough and to
spare :)

Regards, Sebastian
Dec 18 2001 03:37:59 Scarmato Toni
toniscarmato@libero.it
Update possible comet in c2


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


2001/12/18 06:30 (83,990)
2001/12/18 06:54 (88,970)
2001/12/18 07:32 (96,942)



Comment: bright and condensed.
I am waiting other images to confirm.


Toni
Dec 18 2001 03:42:30 Scarmato Toni
toniscarmato@libero.it
Congrats Ximing the comet that i have reported is

your comet.


Toni
Dec 18 2001 12:52:14 XingMing Zhou
zh_x_m@163.net
Possible realtime sungrazer in C2 imgaes now.

It's faint.
(0,0) in upper-left corner.

Images Size X, Y
---------------------------------------------
20011218_1606_c2.gif 512 x 512 83, 503
20011218_1630_c2.gif 512 x 512 85, 498
20011218_1654_c2.gif 512 x 512 87, 493

XingMing Zhou
Dec 18 2001 13:07:07 XingMing Zhou
zh_x_m@163.net
Update

Possible realtime sungrazer in C2 imgaes now.
It's faint.
(0,0) in upper-left corner.

Images Size X, Y
---------------------------------------------
20011218_1606_c2.gif 512 x 512 83, 503
20011218_1630_c2.gif 512 x 512 85, 498
20011218_1654_c2.gif 512 x 512 87, 493
20011218_1706_c2.gif 512 x 512 88, 489

XingMing Zhou
Dec 18 2001 14:37:03 Rob Matson
matsonr@saic.com
Hi All,


Does anyone else find it a little odd that of the 12 confirmed
comets found since 11/22, 8 have first appeared in the times
between 5:54 UT and 12:30 UT. That's two-thirds of the comets
concentrated in a little over 1/4 of the day. And 10 of the
last 12 have been in the 11-hour stretch from 5:54 to 16:54 --
83%. Us westcoasters in the UTC-8 timezone have thus been
severely handicapped by the mismatch between waking/working
hours and comet appearances in the last month. I guess it's
just a little frustrating when you spend 4 to 6 hours a day
searching image sequences, and have nothing to show for it
but blurry vision. --Rob
Dec 18 2001 14:37:24 Sebastian Hoenig
Sebastian@sungrazer.org
I cannot confirm Xingming's last report. Nothing visible in 1024

images. Hey, 3 are enough for a while, we others also want to
have some... :))

Regards, Sebastian
Dec 18 2001 17:54:33 Michael Lane
lanemi@dnb.com
Those last few C2 reports sure track like stars, I dont see anything in c3 to back them up.  
Dec 18 2001 18:27:59 michael boschat
aa063@chebucto.ns.ca
Object? or noise? in C2 @ 20011218_2154 UT


Probally noise but figure I'd
report it...seen weird things
lately! Next image will be
able to tell me if it is something
or not.

****** 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
--------------------------------------------
20011218_2154.gif 512 x 512 4, 422
20011218_2206.gif 512 x 512 11, 431
20011218_2230.gif 512 x 512 16, 433

----------------
Michael Boschat
Dec 18 2001 18:53:13 michael boschat
aa063@chebucto.ns.ca
Dis-regard my last post of:

Dec 18 2001 18:27:59

Yep, it was noise! ..

Mike B.
Dec 18 2001 19:43:35
 
Dec 18 2001 22:29:42 Alexander Mimeev
alexpm@imail.ru
Bright object 20011219 bw 0/562 in bottom left

0254 107 556
0306 107 547


Alexander
Dec 18 2001 22:43:10 Alexander Mimeev
alexpm@imail.ru

Not to consider. This only noise.
Alexander
Dec 19 2001 03:09:11 Pavel Shkreby
pavel01@mail.ru
Possible sungrazing comet in a real-time C2 images now.

Visible from 2001/12/19 06:30 UT in 2 consecutive frames.
Telescope - C2
Position in last images
Time X Y
06:30 - 96.1016
06:54 - 102.1004
I am waiting next image to confirm
1024x1024 0.0 - upper left corner
----------
Pavel Shkreby
Dec 19 2001 03:45:29 MingMing Zhou
zh_x_m@163.net
Hello Pavel,

I think it unbelievable to be regarded as a comet
by only two possitions and sometime it is wrong by
3 possition(plot) as I reported the last report.
if report like this there will be two comets here:
(one
20011219_0630_c2 512 x 512 56, 390
20011219_0654_c2 512 x 512 61, 380
two
20011219_0630_c2 512 x 512 57, 323
20011219_0654_c2 512 x 512 60, 315
)
and we'll see dozen of reports everyday.

good luck to you!

XingMing

Dec 19 2001 06:55:57 michael boschat
aa063@chebucto.ns.ca
Off Topic --- sort of:


The fuzzy object now apperaing
near 9 pm position on left side of C3
images is the gloublar cluster M28.
Also note that gloublar cluster M22
will soon be entering C3 also. These
could be mistaken as comets by new observers.

Just thought I would let you all know...

Also - Season's Greetings to all from
Canada!

Mike Boschat
Dec 19 2001 10:48:53 Doug Biesecker
doug@sungrazer.nascom.nasa.gov
Hi all,

It's been a while since you've heard from me.
I've spent parts of the past 3 days trying to catch up on all of
the reports. First, I need to re-iterate that the amount of
'noise' is extreme. Way too many posts of 1-3 images are being
made. These are almost always speculative. Only post with
fewer than 4 points if you really, really think it's a comet.
If it appears point-like, there is no way you can think it's a comet
based on 2 or 3 points. If I find the time this week, I will
do a calculation of the number of posts as a function of confirmed
finds. Of course, I need to eliminate 'confirmation' or update
posts, so it is actually time consuming.

Now, I've confirmed 6 of the recent reports and I am
reserving judgement on 2 of the reports. These are all listed
below. All other reports have been rejected. E-mail me directly
if you wish to dispute any of these rejected claims.

Note, the C3 archive claim of X. Leprette was also found
in C2 data.

SOHO # Dates Observer Telescope
---------------------------------------
380 011208 M. Boschat C2
381 961230 X. Leprette C2,C3
382 011212 S. Hoenig C2
383 011212 A. Mimeev C2
384 011216 X. Zhou C2
385 011216 X. Zhou C2

The two reports still under consideration are:

The T. Scarmato claim of a C2 comet on 01 Apr 25 about 11 UT
The X. Zhou claim of a C2 comet on 01 Dec 18 about 6 UT

About claims still under consideration. Any report where
I have even the smallest bit of doubt I like to review multiple
times. In most cases, I wait until Derek and I can review the
comet together. Believe it or not, due to travel and exams and
whatnot, Derek and I have not had a chance to review anything
together for quite some time. Likely, these reports will have
to wait until sometime early next month.

Doug
Dec 20 2001 09:31:18 Scarmato Toni
toniscarmato@libero.it
Possible comet in C2 starting at


1024x1024

2001/12/20 10:06 (55,987)


Other positions at next post


Toni Scarmato
Dec 20 2001 09:51:02 Scarmato Toni
toniscarmato@libero.it
Update

Possible comet in C2

1024x1024 (0,0) top-left corner

2001/12/20
10:06 (55,987)
10:34 (60,965)
10:57 (66,948)
11:07 (70,940)
11:30 (75,924)
11:54 (82,900)
12:06 (86,892)

Comment:
the object in some images appear much diffuse


Toni Scarmato
Dec 21 2001 09:40:44 DongHua Chen
cdh_email@163.net
Hi,everyone,


Best Wishes for A Merry Christmas and
A Happy New Year!

Regards,

DongHua Chen from Xiamen, China
Dec 21 2001 19:30:16 michael boschat
aa063@chebucto.ns.ca
Possible non-sungrazer in C3 images - 20011221_1842 UT


Moves slow in a loop & manual loop.


****** 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
--------------------------------------------
20011221_1842.gif 512 x 512 183, 340
20011221_1942.gif 512 x 512 183, 337
20011221_2018.gif 512 x 512 184, 334
20011221_2042.gif 512 x 512 184, 332

----------------
Michael Boschat
Dec 21 2001 19:42:38 michael boschat
aa063@chebucto.ns.ca
UPDATE om my last post -- 


New images show object my last
post still there at these XY's.


****** 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
--------------------------------------------
20011221_2118.gif 512 x 512 184, 330
20011221_2142.gif 512 x 512 185, 328
20011221_2218.gif 512 x 512 186, 326
20011221_2318.gif 512 x 512 186, 322
20011221_2342.gif 512 x 512 187, 320
----------------
Michael Boschat
Dec 21 2001 19:57:24 michael boschat
aa063@chebucto.ns.ca
More Update on my object reported.


It seems to start about 20001221_1642 UT
onwards, I can't see it on the 1618 UT image.

I'll say it probally will be a Kruetz sungrazer
but right now to my eyes it seems to come at a
small angle that is why I said non-Kruetz.

I'll not post anymore since the XY's are in
and everything is there for you all to check it
out.

Thanks

Mike Boschat
Dec 21 2001 20:06:20 Sebastian Hoenig
Sebastian@sungrazer.org
Confirmation of Mike B's comet.


It seems to be a Kreutz sungrazer refering to orbits at this
time of year. Congratulations.

Regards, Sebastian
Dec 21 2001 20:14:19 Alexander Mimeev
alexpm@imail.ru
20011222 c2 bw bottom/left

0006 0 101
0030 6 120
0054 12 140

Alexander
Dec 21 2001 20:34:10 Sebastian Hoenig
Sebastian@sungrazer.org
I cannot confirm Alexander's report. Object changes very much in 

shape regarding 1024 images.

Regards, Sebastian
Dec 22 2001 03:41:46 Scarmato Toni
toniscarmato@libero.it
Possible comet in C3 starting at


1024x1024 (0,0) top-left corner

2001/12/22 06:18 (411,782)


Other positions at next post.


Toni Scarmato
Dec 22 2001 04:18:33 Scarmato Toni
toniscarmato@libero.it
Update Possible comet in C3 


1024x1024 (0,0) top-left corner

2001/12/22 06:18 (411,782)
2001/12/22 06:42 (413,777)
2001/12/22 07:42 (416,763)
2001/12/22 08:42 (419,749)

Comment:

the obejct is faint and there is no an increase of
brigthness. Probably noise.

Regards,

Toni Scarmato


Dec 22 2001 05:16:22 XingMing Zhou
zh_x_m
possible non-Kreutz comet in real-time c3 images now.

slow move.
0,0 in upper left corner.

Images Size X, Y

20011222_0618_c3.gif 512 x 512 193, 347
20011222_0642_c3.gif 512 x 512 193, 348
20011222_0742_c3.gif 512 x 512 192, 349
20011222_0842_c3.gif 512 x 512 191, 349
20011222_0942_c3.gif 512 x 512 190, 350

XingMing Zhou
Dec 22 2001 09:37:17 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

time (Dec 22) x,y
1406 2, 936
1430 10, 918

Mike Boschat's C3 comet?

Regards, Rainer
Dec 22 2001 09:55:51 Scarmato Toni
toniscarmato@libero.it
Comet in C2 1024x1024


positions

2001/12/22 14:06 (3,936)
2001/12/22 14:30 (10,920)


It can to be the comet of M. Boscath seen in C3?



Toni Scarmato
Dec 22 2001 09:56:06 XingMing Zhou
zh_x_m@163.net
Yes,Boschat's comet in C3 ,visible from 12:42 to 13:42 too.


XingMing
Dec 22 2001 10:06:20 Scamato Toni
toniscarmato@libero.it
Comet visible in C3


positions 1024 (0,0) TOP-LEFT CORNER

2001/12/22

12:42 (408,594)
13:42 (410,585)
14:42 (414,578)


Toni Scarmato
Dec 22 2001 10:13:39 Scarmato Toni
toniscarmato@libero.it
Another possible comet in C3

starting at

2001/12/22 14:18 (467,781)


Other positions at next post


Toni Scarmato
Dec 22 2001 10:16:49 Scarmato Toni
toniscarmato@libero.it
Uppdate lst report



2001/12/22

13:42 (477,787)
14:18 (477,781)
14:42 (477,777)


I am waiting other images to cponfirm


Toni Scarmato


Dec 22 2001 10:27:51 Scarmato Toni
toniscarmato@libero.it
Nice Boschat,s comet in C2 with a tail.


The comet seem to have a prominence at positions


1024x1024 (0,0) top-left corner


2001/12/22

14:06 (4,939)
14:30 (11,921)
15:06 (23,895)

Possible future fragment?


Toni Scarmato
Dec 22 2001 11:33:23 Maik Meyer
maik@comethunter.de
Toni,


please stop posting one claim after the other. Nobody is able to
distinguish between real messages and false claims anymore. The
"message noise" is nearly unbearable now. Why do you post a
message with positions and saying in the same post that it is
probably noise? So don't post it. Period. Additionally, comets
already confirmed do not need to be posted again with positions.
The confusion is steadily increasing.

It might be worth again to READ and UNDERSTAND what Doug said:

"Way too many posts of 1-3 images are being made. These are
almost always speculative. Only post with fewer than 4 points
if you really, really think it's a comet. If it appears
point-like, there is no way you can think it's a comet based
on 2 or 3 points. If I find the time this week, I will do a
calculation of the number of posts as a function of confirmed
finds."

I think we all know what the result may be.

Slightly annoyed, Maik
Dec 22 2001 12:50:25 Scarmato Toni
toniscarmato@libero.it
Dear Mike,


I think that my reports are clear, but if I have
created confusion I ask apology.
Yet, I not understand why you have a particular
attention at my reports.
I have well undestand what Doug said.
In my report
Dec 22 2001 10:16:49
"Uppdate lst report
2001/12/22
13:42 (477,787)
14:18 (477,781)
14:42 (477,777)

I give 3 positions because the
object seem a comet for shape and motion.
If after is not, patient.
Many time you have commented my reports.
I not have never commented your reports.
I think that all us we must to report
at least 4 positions, but nobody follow always
the rules.

I promise. My future reports will be all with at least
4 positions. I hope that all will follow the rules.

Merry Christmas and Happy New Year at all.

Toni Scarmato




Dec 22 2001 23:24:25
 
Dec 24 2001 10:12:19 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

Hi everyone,
This'll be my last post until Dec 31st, at the earliest.
Since my last post, I've confirmed only the claim by M. Boschat for
a comet which was seen in both C2 and C3. Sorry Rob, I know I
just told you that C2 was better this time of year. Of course,
the bright ones show up in C3 first. Here're my rough positions:

# HEIGHT DATE TIME ANGLE TEL FC COL ROW
18.55 2001/12/21 13:42:10 151.2 C3 10 360.0 243.0
18.33 2001/12/21 14:18:06 150.6 C3 10 359.0 248.0
18.10 2001/12/21 14:42:05 150.4 C3 10 360.0 252.0
17.92 2001/12/21 15:18:05 150.3 C3 10 361.0 255.0
17.72 2001/12/21 15:42:05 150.0 C3 10 361.0 259.0
17.50 2001/12/21 16:18:05 149.8 C3 10 362.0 263.0
17.24 2001/12/21 16:42:07 149.7 C3 10 364.0 267.0
17.12 2001/12/21 17:18:05 149.3 C3 10 363.0 270.0
16.67 2001/12/21 18:18:05 148.8 C3 10 365.0 278.0
16.45 2001/12/21 18:42:05 148.6 C3 10 366.0 282.0
16.05 2001/12/21 19:42:14 148.2 C3 10 368.0 289.0
15.77 2001/12/21 20:18:05 147.8 C3 10 369.0 294.0
15.58 2001/12/21 20:42:05 147.4 C3 10 369.0 298.0
15.31 2001/12/21 21:18:32 147.0 C3 10 370.0 303.0
15.14 2001/12/21 21:42:05 146.8 C3 10 371.0 306.0
14.96 2001/12/21 22:18:05 146.6 C3 10 372.0 309.0
14.50 2001/12/21 23:18:38 145.7 C3 10 373.0 318.0
14.33 2001/12/21 23:42:05 145.5 C3 10 374.0 321.0
14.11 2001/12/22 00:18:06 145.2 C3 10 375.0 325.0
13.89 2001/12/22 00:42:05 144.9 C3 10 376.0 329.0
13.54 2001/12/22 01:42:11 144.1 C3 10 377.0 336.0
13.19 2001/12/22 02:18:05 143.6 C3 10 379.0 342.0
13.07 2001/12/22 02:42:05 143.6 C3 10 380.0 344.0
12.38 2001/12/22 04:18:10 142.2 C3 10 383.0 357.0
11.91 2001/12/22 05:18:14 141.1 C3 10 385.0 366.0
11.74 2001/12/22 05:42:06 140.8 C3 10 386.0 369.0
11.49 2001/12/22 06:18:05 140.1 C3 10 387.0 374.0
8.54 2001/12/22 12:42:05 132.1 C3 10 405.0 429.0
8.00 2001/12/22 13:42:13 130.2 C3 10 409.0 439.0
7.69 2001/12/22 14:18:05 128.8 C3 10 411.0 445.0
7.38 2001/12/22 14:42:05 128.5 C3 10 415.0 449.0
7.16 2001/12/22 15:18:06 127.0 C3 10 416.0 454.0
6.92 2001/12/22 15:42:05 126.8 C3 10 419.0 457.0
6.56 2001/12/22 16:18:05 124.9 C3 10 422.0 464.0
6.45 2001/12/22 16:42:05 124.4 C3 10 423.0 466.0
6.12 2001/12/22 17:18:05 122.7 C3 10 426.0 472.0
7.87 2001/12/22 14:06:05 129.3 C2 11 2.0 87.0
7.68 2001/12/22 14:30:05 128.5 C2 11 9.0 104.0
7.49 2001/12/22 14:54:06 127.6 C2 11 16.0 122.0
7.39 2001/12/22 15:06:06 127.3 C2 11 21.0 130.0
7.19 2001/12/22 15:30:05 126.4 C2 11 29.0 148.0
6.97 2001/12/22 15:54:05 125.4 C2 11 38.0 167.0
6.88 2001/12/22 16:06:05 125.0 C2 11 42.0 175.0
6.67 2001/12/22 16:30:05 123.9 C2 11 51.0 194.0
6.46 2001/12/22 16:54:05 122.8 C2 11 60.0 213.0
6.36 2001/12/22 17:06:06 122.1 C2 11 64.0 223.0
6.13 2001/12/22 17:30:06 121.0 C2 11 75.0 242.0
5.92 2001/12/22 17:54:05 119.8 C2 11 85.0 260.0
5.79 2001/12/22 18:06:05 119.1 C2 11 92.0 271.0
5.55 2001/12/22 18:30:05 117.6 C2 11 104.0 291.0
5.32 2001/12/22 18:54:06 116.0 C2 11 116.0 311.0
4.93 2001/12/22 19:31:50 113.3 C2 11 137.0 343.0
4.69 2001/12/22 19:54:06 111.4 C2 11 151.0 363.0
4.54 2001/12/22 20:06:06 110.4 C2 11 160.0 374.0
4.25 2001/12/22 20:30:05 108.0 C2 11 178.0 396.0

In a bid to keep this secular and to respect those of all
religions (or lack thereof) I hope you are all having a good time
now and at all times throughout the year.

Doug
Dec 24 2001 11:10:49 Xavier Leprette
xavier.leprette@education.gouv.fr
Hi all,

Merry Christmas and Happy New Year for all Soho comet hunters in the world and for Doug and his Soho team.

Regards

Xavier Leprette
France
Dec 24 2001 13:15:06 Doug Biesecker
doug@sungrazer.nascom.nasa.gov

Hi everyone. Here is a long promised summary of the web postings.
I have attempted to total up the number of posts and the number
of comet discoveries for all of the highest volume posters. For
those of you who check here regularly, the numbers won't surprise
you. However, I would like all of you to take particular notice
of the results. I am including here all posts, including
'confirmation' posts and 'informational' posts. Trying to exclude
such posts would take too much of my time. From Jan 1, 2001 through
Dec 15, 2001, there have been 1590 posts to this webpage. Eighty-two
percent of the posts came from the top 9 posters. These 9 are listed
below, in order of number of posts. Also, I quote the number of
posts per comet credited. That's probably a more important number
than the total posts. Take heed. I want to give special notice
to Xing-Ming Zhou, Xavier Leprette, and Mike Oates. Why? Check out
the number of posts/comet. Remember, low numbers are good. Now,
for the shaming. I would consider any number of posts/comet of
over 20/comet to be excessive. Those offenders are Scarmato,
Boschat, Biesecker, and Mimeev. Of course, most of Biesecker's
posts are informational. Hey, I run this thing, remember. The
rest of you should really consider cutting down on the number
of posts. Even the 'informational' and 'confirmation' ones.

I tried to include real-time and archive claims, but the real
numbers may be off slightly.

Doug

Observer # of posts # of comets posts/comet
---------------------------------------------------
Scarmato 396 9 44
Hoenig 225 13 17
Boschat 207 8 26
Biesecker 140 2 70
Oates 103 26 4
Leprette 103 18 6
Mimeev 46 2 23
Zhou 41 9 5
Meyer 36 3 12
Dec 28 2001 11:26:53 Rainer Kracht
R.Kracht@t-online.de
possible comet in C3 images

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

time (Dec 28) x,y
1442 346,738
1518 348,734
1452 350,732
1618 352,728


Regards, Rainer
Dec 28 2001 11:57:23 Rainer Kracht
R.Kracht@t-online.de
Don't consider my report Dec 28 2001 11:26:53

nothing visible in image at 1642

Regards Rainer
Dec 28 2001 12:52:55 Scarmato Toni
toniscarmato@libero.it
Possible comet in C3


Positions 1024 (0,0) top-left corner

2001/12/28

16:18 (564,837)
16:42 (562,835)
17:18 (558,831)
17:42 (554,827)



Toni Scarmato
Dec 28 2001 16:44:21
 
Dec 28 2001 18:29:15
 
Dec 28 2001 19:45:28
 
Dec 31 2001 12:07:36