SOHO-LASCO Comet Reports for 200306

Jun 01 2003 00:00:21 Tony Hoffman
xxx@xxx
Possible Kreutz comet in C2 b/w

(512 x 512 0,0 in upper left corner)

20030601_0354 353,488
20030601_0330 347,501

Short tail.
Awaiting further positions to confirm.

--Tony Hoffman
Jun 01 2003 00:10:51 Tony Hoffman
xxx@xxx
My latest report withdrawn--nothing at 0406.
Jun 02 2003 11:18:15 Xavier Leprette
xxx@xxx
Possible Kreutz comet in a real-time C2 


The object is starting on 2003/06/02 at 11:06 UT
It is visible in 3 consecutive images, moderatly condensed.

0,0 in top-left corner of 512x512 B&W frames :
Time col, row
11:06 332,509 (666, 1019 in 1024x1024)
11:30 334,503

Xavier Leprette
Jun 02 2003 11:50:11 mike boschat
xxx@xxx
Can confirm Xavier Leprette's C2 comet


Congrats!

Mike B.
Jun 02 2003 12:26:54 Xavier Leprette
xxx@xxx
Possible Kreutz comet in a real-time C2 


UPDATE :
Sorry about my previous message, the object is
visible only in 2 consecutive images for the moment,
but it seems obvious with the 1024 frames (fuzzy and elongateg).

The object is starting on 2003/06/02 at 11:06 UT

0,0 in top-left corner of 512x512 B&W frames :
Time col, row
11:06 332,509 (666, 1019 in 1024x1024)
11:30 334,503 (668, 1006 in 1024x1024)

Awaiting new images to confirm.

Xavier Leprette
Jun 02 2003 13:14:30 Toni Scarmato
xxx@xxx
Possible non Kreutz comet in C2


Positions 812x562 b/w images

20030602

1654 325,549
1706 320,554


I am waiting other images to confirm.

Regards,

Toni Scarmato
Jun 02 2003 13:36:53 Toni Scarmato
xxx@xxx
Update possible non Kreutz comet in C2


Positions 812x562 b/w images

20030602

1654 325,559
1706 320,554
1730 309,544


Regards,

Toni
Jun 02 2003 15:57:22 Tony Hoffman
xxx@xxx
Possible faint comet to the left of Xavier's  (C2, 1024 x 1024, 0,0 in upper left)



20030602_1230 661,973
20030602_1206 657,985
20030602_1154 657,991
20030602_1130 655,1006

--Tony
Jun 02 2003 20:53:13 Derek Hammer
xxx@xxx
I can confirm three comets out of the recent posting mess.


SOHO# Observer Date Camera
-----------------------------------------------
620 T. Hoffman 03/05/29 C2
621 X.-M. Zhou 03/05/30 C2
622 X. Leprette 03/06/02 C2


Because people are continuing to post <4 position claims without
caution, I believe it's time to make a false report rule that will
blacklist those that continue to submit false reports. As some of
you know, I will be leaving in September and I can't imagine
subjecting the new person to thi mess (not even my worst enemy!).
Well, I will be out of office until June 20 and I will inform
everyone of these unfortunate rules (I hate rules!) when I return.
The clock starts now...

Email me with any questions concerning the recent
confirmed/rejected comets.

Derek
Jun 02 2003 22:16:19 Derek Hammer
xxx@xxx
Forgot to mention that I may add Tony's May 31 2003 02:50:37

claim to the SOHO X-comet list.
Jun 03 2003 05:48:59 Toni Scarmato
xxx@xxx
Possible non Kreutz comet in C3


Positions 512x512 0,0 top-left

20030603

0542 308,384
0618 306,384
0642 305,384
0742 302,384
0818 300,383

Object visibile in 5 images moving from right to left.


Regards,

Toni Scarmato
Jun 03 2003 12:42:18 Toni Scarmato
xxx@xxx
Update possible non Kreutz comet in C3

The object seem visibl also at 0842 299,383
I am not been able to find the object at 0918.

Regrads,

Toni Scarmato
Jun 04 2003 14:15:14 Tony Hoffman
xxx@xxx
The missing images for C2 on May 31

(1024 x 1024, 0,0 in upper left corner)
have now appeared, and I am able to make
out Pavel’s object as follows:

20030531 0606 655,869
20030531 0554 653,877
20030531 0530 650,894
20030531 0430 641,937
20030531 0354 635,961
20030531 0230 620,1016

After 0606, it gets lost in the bright streamer.

--Tony Hoffman

My own (x/comet?) claim for that day gets immediately gets lost in the bright streamer after 4:30, and I'm not sure if it ever emerges.

--Tony
Jun 05 2003 03:24:50 John Seach
xxx@xxx
Possible new comet in LASCO C3 images 512 x 512

0,0 in upper left corner.

Date Time X Y x/min
20030605 0242 311 504
20030605 0318 307 492 0.11
20030605 0342 304 485 0.12
20030605 0418 299 476 0.13

John Seach
Jun 05 2003 03:50:40 Maik Meyer
xxx@xxx
Hi John,


welcome aboard! your claim is obviously noise. While you are
correctly giving the motion in x as constant, the motion in y
should also be constant, but is not. Additionally the shape of the
point changes, especially in the third image. Not obvious, but
something you will find out with more experience is that it moves
too fast for a typical SOHO comet and if expected to be a Kreutz
comet it is not on the track for this comet group.

I hope this helps and good luck, Maik
Jun 05 2003 16:35:49 Rainer Kracht
xxx@xxx
possible Kreutz group 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
20030605 1931 714 1004
20030605 2006 716 984
20030605 2030

Rainer
Jun 05 2003 16:36:02 Maik Meyer
xxx@xxx
Possible Kreutz comet in C2 real-time

2003/06/05 1024x1024, 0,0 upper left

19:31 712, 1004
20:06 716, 982 (b/w extrapolated)
20:24 720, 970 (b/w extrapolated)

Elongated, not too faint.

Maik
Jun 05 2003 16:37:33 Maik Meyer
xxx@xxx
Congrats Rainer, you beat me by 13 seconds. Of course my third time is 20:30.


Maik
Jun 05 2003 17:39:08 Rainer Kracht
xxx@xxx
UPDATE Kreutz group 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
20030605 1931 714 1004
20030605 2006 716 984
20030605 2030 718 968
20030605 2130 722 932

Rainer
Jun 07 2003 19:55:46 Timothy Chase
xxx@xxx
Possible New comet in LASCO C2 images 1024 x 1024

0,0 in upper left corner

Date Time x,y
20030607 22:30 686,165
20030607 22:06 675,169

In the 6/07 22:06 image signs of coma and short slightly faned
tail. In the 6/07 22:30 HAS OBVIOUS COMA AND WELL DEFINED LENGTHY FANED TAIL. GOING TO OBSERVE FOLLOWING PHOTOS, 2 FRAMES ISN'T REALLY ENOUGH FOR STRONG POSITIVE VERIFICATION

sTargaZeR "TIM"
Jun 07 2003 21:56:33 Chase Timothy
xxx@xxx
***Update from the Jun 07 2003 19:55:46 Report


The "possible" comet appears to be only visible
in two consecutive photos which gives some doubt to
the comets authenticity. I personally am not sure if
such a sun grazer comet can flare up and exist for
only an hour. But here are the photos and descriptions
observed.


LASCO C2 Images 1024 x 1024
0,0 in upper left corner


Date Time x,y
20030607 23:54 no observation
20030607 23:06 no observation
20030607 22:30 686,165
20030607 22:06 675,169
20030607 21:54 no observation


sTargaZeR "TIM"
Jun 07 2003 22:22:07 Tony Hoffman
xxx@xxx
Hi, Tim--

What you have reported is two spots of noise
or cosmic-ray hits. Such spots will often mimic comets
in appearance. A true comet will remain fairly consistent
in appearance from one frame to the next (and not suddenly
appear and disappear in the middle of the field of view).
You should have at least four spots moving in a consistent direction and velocity. It's a good idea to check all
recent comet reports that have been confirmed (see Derek's
posts in red), look at the images and note the appearance
and velocity of the comets. If you have any questions
about SOHO comet hunting, feel free to bring them to
the Yahoo Sohohunter list at http://groups.yahoo.com/group/sohohunter/
Regards,
Tony Hoffman
Jun 08 2003 13:55:10 mike boschat
xxx@xxx
2 objects in C2 @ 20030608_1606 UT


#1- bright probally noise but
I'm curoius.

#2- is a small point near 3 pm
but moves very slow. Not on previous
images. Any ideas? Noise moving that slow?

****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.
0,460 in lower left corner
LASCO C2 IMAGES - 512 x 512

#1 #2
Date Time X Y X Y
-------- ---- --- --- --- ---
20030608 1606 133 425 500 258
1630 178 397 500 260
---------------
Michael Boschat
Jun 08 2003 14:27:03 mike boschat
xxx@xxx
Forget post of Jun 08 2003 13:55:10

both objects gone...brain
said they were noise, but just
interested.

MB
Jun 08 2003 20:17:00 Rainer Kracht
xxx@xxx
possible Kreutz group comet in C3 images

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

Date Time x y
20030608 2118 560 766
20030608 2142 560 764
20030608 2218 560 762
20030608 2318 562 756

Rainer
Jun 08 2003 21:11:44 Rainer Kracht
xxx@xxx
UPDATE Kreutz group comet in C3 images

1024*1024 0,0 in upper left corner

Date Time x y
20030608 2218 561 762
20030608 2318 562 757
20030608 2342 563 756
20030608 0018 564 753

Rainer
Jun 08 2003 23:36:09 Rob Matson
xxx@xxx
I can confirm Rainer's C3 Kreutz find. --Rob
Jun 09 2003 17:40:08 Pavel Shkreby
xxx@xxx
Possible Kreutz comet in a real-time C2 images.

Visible from 2003/06/09 18:54 UT in 3 images.
Position in last images
Time X Y
18:54 - 375.558 (812x562 b/w images)
19:31 - 751.993
20:06 - 752.971
1024x1024 0.0 - upper left corner
----------
Pavel
Jun 09 2003 18:32:05 mike boschat
xxx@xxx
I can confirm Pavel's C2 comet find

of Jun 09 2003 17:40:08.

Congrats Pavel!!

Mike Boschat
Jun 09 2003 18:33:30 Pavel Shkreby
xxx@xxx
UPDATE Kreutz comet in a real-time C2 images.

Visible from 2003/06/09 18:54 UT in 5 images.
Position in last images
Time X Y
18:54 - 751.1015
19:31 - 751.993
20:06 - 752.971
20:30 - 752.955
21:08 - 754.930
1024x1024 0.0 - upper left corner
----------
Pavel
Jun 09 2003 23:37:21 XingMing Zhou
xxx@xxx
Rainer's C3 Kreutz comet in real-time C2 now(03:06),Bright!

--XingMing
Jun 10 2003 01:51:46 Xu Chen
xxx@xxx
Great,I can confirm Rainer's comet,

and it's rather bright now and
will hit the sun!Exciting!

Xu Chen
Jun 10 2003 02:43:15 Heiner Otterstedt
xxx@xxx
Possible comet in LASCO C3 images


Date: Tuesday, June 10, 2003

Positions: 1024x1024 images, (0,0) upper left

yyyy.mm.dd hh:mm x y
---------- ----- ---- ----
2003.06.10 03:18 603 893
2003.06.10 03:42 604 891
2003.06.10 05:18 607 887
2003.06.10 05:42 608 885

Regards,
Heiner Otterstedt
Jun 10 2003 17:43:26 heiner otterstedt
xxx@xxx
Please disregard my post below of Jun 10 2003 02:43:15


Sorry, just noise...

Regards, Heiner
Jun 13 2003 21:05:11 mike boschat
xxx@xxx
Possible comet in C2 @ 20030613_2306

faint
****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.
771,460 in lower right corner
LASCO C3 IMAGES - 1024 x 1024

Date Time X Y
-------- ---- --- ---
20030613 2306 605 444
2230 606 428
2354 604 414
----------------
Michael Boschat
Jun 13 2003 21:07:51 mike boschat
xxx@xxx
CORECTION -- comet in C2 below,

Possible comet in C2 @ 20030613_2306
faint
****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.
NOTE ***>>> 771,460 in lower right corner
LASCO C2 IMAGES - 1024 x 1024

Date Time X Y
-------- ---- --- ---
20030613 2306 605 444
2230 606 428
2354 604 414
----------------
Michael Boschat
Jun 13 2003 21:11:47 mike boschat
xxx@xxx
UPDATE on comet in C2 below,


****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.
NOTE ***>>> 771,460 in lower right corner
LASCO C2 IMAGES - 1024 x 1024

Date Time X Y
-------- ---- --- ---
20030613 2306 605 444
2230 606 428
2354 604 414
20030613 0006 604 408
0030 601 394
----------------
Michael Boschat
Jun 13 2003 21:34:10 mike boschat
xxx@xxx
CORRECTION UPDATE on comet in C2 

from 20030613_2306 to 20030614_0030 UT

Gezzzz! I forgot to change UT date on
last 2 UT times!

THIS IS NOW CORRECT! and my final post!
Sorry for errors before!

****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.
NOTE ***>>> 771,460 in lower right corner
LASCO C2 IMAGES - 1024 x 1024

Date Time X Y
-------- ---- --- ---
20030613 2306 605 444
2230 606 428
2354 604 414
20030614 0006 604 408
0030 601 394
----------------
Michael Boschat
Jun 14 2003 00:02:10 Rob Matson
xxx@xxx
2003 June 13/14 -- I'll assume based on the timing and relative

motion that the dim C2 Kreutz comet I'm reporting below is the same
as the one reported by Michael Boschat, though I cannot reconcile
his coordinate system with my own. In any case, consider it a
confirmation and a coordinate conversion to the standard system
(1024x1024 with 0,0 in top-left):

YYYY-MM-DD HH:MM Col Row
---------- ----- --- ----
2003-06-13 23:06 850 1001
23:30 848 988
23:54 848 974
2003-06-14 00:06 848 966
00:30 846 953
00:54 844 939

Congrats Mike on this dim one! --Rob
Jun 14 2003 05:24:11 Heiner Otterstedt
xxx@xxx
Possible comet in LASCO C3 images


Date: Saturday, June 14, 2003

Positions: 1024x1024 images, (0,0) upper left

yyyy.mm.dd hh:mm x y
---------- ----- ---- ----
2003.06.14 07:42 740 922
2003.06.14 05:42 738 925
2003.06.14 05:18 737 926
2003.06.14 04:18 736 930
2003.06.14 02:42 736 929
2003.06.14 00:42 735 932

Regards,
Heiner Otterstedt
Jun 14 2003 10:32:49 Heiner Otterstedt
xxx@xxx
Update for my post of Jun 14 2003 05:24:11


Sorry, my self-written measurement software
was totaly out of order :-(

yyyy.mm.dd hh:mm x y
---------- ----- ---- ----
2003.06.14 09:42 733 920
2003.06.14 08:42 735 922
2003.06.14 07:42 736 924
2003.06.14 06:42 737 925
2003.06.14 06:18 738 926
2003.06.14 05:42 739 926
2003.06.14 05:18 741 927
2003.06.14 04:18 743 928
2003.06.14 02:42 744 928
2003.06.14 02:18 744 929
2003.06.14 01:42 745 929
2003.06.14 00:42 748 931
2003.06.14 00:18 751 934

Regards,
Heiner
Jun 15 2003 12:11:01 Rainer Kracht
xxx@xxx
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
20030615 1454 844 1012
20030615 1506 842 1006
20030615 1530 842 990

Rainer
Jun 15 2003 12:16:18 Rainer Kracht
xxx@xxx
UPDATE (Kreutz group) 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
20030615 1454 844 1012
20030615 1506 842 1006
20030615 1530 842 990
20030615 1554 840 976
20030615 1606 840 968

Rainer
Jun 16 2003 09:34:12 Rainer Kracht
xxx@xxx
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
20030616 0430 850 1010
20030616 0530 846 972

Rainer
Jun 16 2003 09:34:14 Kazimieras Cernis
xxx@xxx
Possible comet in C2 now.


0,0 in top-left corner in B/W 512x512 images

2003/06/16 4:30 426, 505
5:30

Kazimieras Cernis
Jun 16 2003 09:35:05 David Evans
xxx@xxx
Possible Kreutz comet in C2 images of 2003/06/16


512x512 Lasco B/W. 0,0 top left

04:30 427, 506
05.30 425, 488

The object is also visible in the next subsequent frame.

- Dave
Jun 16 2003 09:36:05 Kazimieras Cernis
xxx@xxx
UPDATE. Possible comet in C2 now.


0,0 in top-left corner in B/W 512x512 images

2003/06/16 4:30 426, 505
5:30 424, 487

Kazimieras Cernis
Jun 16 2003 09:36:20 Pavel Shkreby
xxx@xxx
Possible Kreutz comet in a real-time C2 images.

Visible from 2003/06/16 04:30 UT in 3 images.
Position in last images
Time X Y
04:30 - 425.554
05:30 - 423.536
812x562 b/w images 0.0 - upper left corner
----------
Pavel
Jun 16 2003 09:36:51 Xavier Leprette
xxx@xxx
ossible Kreutz comet in a real-time C2 


The object is starting on 2003/06/16 at 04:30 UT.

0,0 in top-left corner of 512x512 B&W frames :
Time col, row
04:30 425,505
05:30 423,486
05:54 422,479


Xavier Leprette
Jun 16 2003 09:37:15 David Evans
xxx@xxx
Congrats Rainer! Confirmation of his find.


- Dave
Jun 16 2003 10:27:19 Rainer Kracht
xxx@xxx
UPDATE (Kreutz group) 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
20030616 0430 850 1010
20030616 0454 848 994
20030616 0506 848 988
20030616 0530 846 972

Rainer
Jun 16 2003 10:32:38 mike boschat
xxx@xxx
Confirmation of Rainer's new find in

today's C2 images!

MB
Jun 16 2003 11:09:52 Rainer Kracht
xxx@xxx
The Kreutz comet which entered C2 04:30

is visible in C3 also
1024*1024 0,0 in upper left corner

Date Time x y
20030616 0218 593 610
20030616 0242 593 607
20030616 0318 592 603
20030616 0342 592 600
20030616 0418 593 595

Rainer
Jun 17 2003 10:49:46 mike boschat
xxx@xxx
Comet?? in C2 @ June 17 - 1254 UT


VERY,VERY faint if it is one.
Can't get sharp resolution on
this monitor.

****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.
777,460 in lower right corner
LASCO C3 IMAGES - 1024 x 1024

Date Time X Y
-------- ---- --- ---
20030617 1254 640 404
1332 637 394
1354 633 385
----------------
Michael Boschat
Jun 17 2003 10:52:08 mike boschat
xxx@xxx
My last post this:

LASCO C3 IMAGES - 1024 x 1024
should read LASCO C2 IMAGES!

Mike Boschat
Jun 17 2003 11:11:50 mike boschat
xxx@xxx
Update on Comet?? in C2 @ June 17 - 1254 UT


VERY,VERY faint if it is one.
Can't get sharp resolution on
this monitor. Hard to tell
with 1406 UT image and loose
it at 1430 UT. I'm going
to leave it open for now.
I looked at 1230 UT image but
the edge was too dark to tell
if it came at that time.

****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.
777,460 in lower right corner
LASCO C2 IMAGES - 1024 x 1024

Date Time X Y
-------- ---- --- ---
20030617 1254 640 404
1332 637 394
1354 633 385
1406 630 375
-----------------------
Michael Boschat
Jun 17 2003 18:12:17 Rainer Kracht
xxx@xxx
possible Kreutz group 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
20030617 2130 872 1008
20030617 2154 870 994
20030617 2206 868 988

Rainer
Jun 17 2003 18:17:27 Pavel Shkreby
xxx@xxx
Possible Kreutz comet in a real-time C2 images.

Visible from 2003/06/17 21:30 UT in 3 images.
Position in last images
Time X Y
21:30 - 872.1007
21:54 - 870.994
22:06 - 868.989
b/w 512*512 from the LASCO website
enlarged to 1024*1024
0.0 - upper left corner
----------
Pavel
Jun 17 2003 18:19:56 Pavel Shkreby
xxx@xxx
I can confirm Rainer's C2 comet find of Jun 09.


Congrats Rainer!!!

---
Pavel

Jun 17 2003 18:37:30 Rainer Kracht
xxx@xxx
UPDATE Kreutz group 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
20030617 2130 872 1008
20030617 2154 870 994
20030617 2206 868 988
20030617 2230 866 974

It's faint, but it's there.

Rainer
Jun 17 2003 19:33:11 John Sachs
xxx@xxx
Possible Kreutz Comet  C3

Positions: (0,0) upper left, 1024x1024
Date Time (x, y)
2003/0/06/17 C3 22:18 605 674
2003/0/06/17 C3 21:42 606 678
2003/0/06/17 C3 21:18 606 679
2003/0/06/17 C3 20:42 607 684
2003/0/06/17 C3 20:18 606 685
2003/0/06/17 C3 19:42 607 689
John Sachs
Jun 17 2003 19:59:49 John Sachs
xxx@xxx
Update

My post of Jun 17 2003 19:33:11
time for 20:42 pixels are: 606 683
John
Jun 17 2003 23:59:49 John Sachs
xxx@xxx
Update on Kreutz Comet  C3

Positions: (0,0) upper left, 1024x1024
Date Time (x, y)
2003/0/06/18 C3 00:18 605 663
2003/0/06/17 C3 23:42 605 666
2003/0/06/17 C3 23:18 605 669
2003/0/06/17 C3 22:18 605 673
2003/0/06/17 C3 21:42 606 678
2003/0/06/17 C3 21:18 606 680
2003/0/06/17 C3 20:42 606 683
2003/0/06/17 C3 20:18 606 685
2003/0/06/17 C3 19:42 607 689
John Sachs
Jun 18 2003 02:38:12 Xavier Leprette
xxx@xxx
Possible Kreutz comet in a real-time C3 now


The object is starting on 2003/06/18 at 04:18 UT
it is visible in 4 consecutive images. Very faint.

0,0 in top-left corner of 512x512 frames :

Time col, row
04:18
04:42 301,317
05:18 301,316
06:18 301,312 BW image


Xavier Leprette
Jun 18 2003 02:42:50 Xavier Leprette
xxx@xxx
Possible Kreutz comet in a real-time C3 now


The object is starting on 2003/06/18 at 04:18 UT
it is visible in 5 consecutive images. Very faint
UPPDATE : confirmation of the object.

0,0 in top-left corner of 512x512 frames :

Time col, row
04:18
04:42 301,317
05:18 301,316
5:42 301,315
06:18 301,312 BW image

Xavier Leprette
Jun 18 2003 02:43:52 Heiner Otterstedt
xxx@xxx
I can confirm John's C3 comet find of Jun 17 2003 19:33:11


Congrats John!!!

Heiner
Jun 18 2003 03:41:40 Xavier Leprette
xxx@xxx
Disregard my previous reports. Obviously, it was the John's C3 comet. Sorry.


Xavier
Jun 18 2003 06:59:16 Kazimieras Cernis
xxx@xxx
John's C3 comet enters the C2 field.

0,0 in top-left corner in B/W 512x512 images.
Date Time X Y
2003/06/18 10:30 441 506
10:54
Kazimieras Cernis
Jun 18 2003 08:38:02 Rainer Kracht
xxx@xxx
possible Kreutz group 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
20030618 1154 1002 924
20030618 1206 1002 916
20030618 1230 998 900

Rainer
Jun 18 2003 08:40:53 XingMing Zhou
xxx@xxx
Possible Kreutz group comet in C2 images(B/W).

faint.
0,0 in upper left corner

Images Size X, Y

20030618_1154_c2.gif 512 x 512 501, 462
20030618_1206_c2.gif 512 x 512 502, 459
20030618_1230_c2.gif 512 x 512 499, 452

Regards, XingMing Zhou
Jun 18 2003 09:00:30 XingMing Zhou
xxx@xxx
It is real,Congrats Rainer!
Jun 18 2003 09:10:54 mike boschat
xxx@xxx
Ok, were is Rainer's comet in C2?

I see a bright one which I assume
is John's...but were is the other
and Rainer has only 3 XY !!

MB
Jun 18 2003 09:31:32 Rainer Kracht
xxx@xxx
UPDATE Kreutz group 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
20030618 1154 1004 922
20030618 1206 1002 916
20030618 1230 998 900
20030618 1254 992 886

It's to the right of John's bright comet
close to the right side of the images

Rainer
Jun 18 2003 10:47:30 mike boschat
xxx@xxx
Ranier, tried sending you an email

it came back as:

Recipient address: xxx@xxx
Reason: Rejection greeting returned by server.

Mike B.
Jun 18 2003 13:25:28 Rainer Kracht
xxx@xxx
Mike, I don't know what the meaning of this is:


>Recipient address: xxx@xxx
>Reason: Rejection greeting returned by server.

I have received several emails today, the latest
only some minutes ago. So the adress seems to be ok.

My latest C2 comet is about 130 pixels to the right of
John's bright comet and about 36 pixels above it
in the images 11:54 - 12:54.

Rainer
Jun 18 2003 22:40:24 mike boschat
xxx@xxx
Possible comet in C3 @ 20030619_0118 UT


waiting for more images to verify


****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.
777,460 in lower left corner
LASCO C3 IMAGES - 1024 x 1024

Date Time X Y
-------- ---- --- ---
20030619 0118 403 129
0142 404 128
----------------
Michael Boschat
Jun 18 2003 23:12:00 XingMing Zhou
xxx@xxx
Possible Kreutz group comet in C3 images(B/W).

faint.
0,0 in upper left corner

Images Size X, Y

20030619_0118_c2.gif 512 x 512 323, 344
20030619_0142_c2.gif 512 x 512 323, 343
20030619_0242_c2.gif 512 x 512 323, 340

Regards, XingMing Zhou
Jun 18 2003 23:23:35 mike boschat
xxx@xxx
UPDATE ON Comet in C3


I am 100% sure on it being a comet!

As usual the SOHO site is only 0142 UT
image.
I got 2 B&W images but not sure how to convert
to 1024 size.
The comet is passing to the left of a med bright
star about 1/4 way from occulator disk.

****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.
777,460 in lower left corner
LASCO C3 IMAGES - 1024 x 1024

Date Time X Y
-------- ---- --- ---
20030619 0118 403 129
0142 404 128


Comet in B&W images at 812 x 562 pixels, 777,460
in lower right corner.

Date Time X Y
-------- ---- --- ---
20030619 0142 324 295
0242 323 293
----------------
Michael Boschat
Jun 18 2003 23:23:37 Tony Hoffman
xxx@xxx
I can confirm XingMing's claim. (I had been tracking it too, but was waiting for a fourth position, which is now available.)


=--Tony
Jun 18 2003 23:24:25 XingMing Zhou
xxx@xxx
Update

Possible Kreutz group comet in C3 images(B/W).
faint.
0,0 in upper left corner

Images Size X, Y

20030619_0118_c3.gif 512 x 512 323, 344
20030619_0142_c3.gif 512 x 512 323, 343
20030619_0242_c3.gif 512 x 512 323, 340
20030619_0318_c3.gif 512 x 512 322, 338

Regards, XingMing Zhou
Jun 18 2003 23:30:13 mike boschat
xxx@xxx
How the heck can Tony confirm the Chinese find when I had to fight

getting only 2 XY's then another 2 from a B&W site! I put the post in first,
yeah 2 XY's but it was a comet and I was 100% sure after the 0242 UT B&W image,
The SOHO site still has the old one as I typoe this at 0142 UT ( blue color).

I hope this will be resolved!

Mike Boschat
Jun 18 2003 23:36:26 Tony Hoffman
xxx@xxx
Mike has showed me a cropped image indicating

the same object that I had been following
(which I had confirmed for XingMing; I had
checked Mike's coordinates but couldn't reconcile
them. ) I, too, hope there is a good answer.

--Tony
Jun 18 2003 23:37:04 John Sachs
xxx@xxx
To find Mikes objects do this:

1024 minus 777 then add his x coordinates and
1024 minus 460 then add his y coordinates to this.
John
Jun 18 2003 23:45:35 Heiner Otterstedt
xxx@xxx
Possible comet in LASCO C3 images


Date: Thursday, June 19, 2003

Positions: 1024x1024 images, (0,0) upper left

yyyy.mm.dd hh:mm x y
---------- ----- ---- ----
2003.06.19 02:42 646 679
2003.06.19 01:42 647 686
2003.06.19 01:18 647 688

Regards,
Heiner Otterstedt

Jun 19 2003 00:05:25 Tony Hoffman
xxx@xxx
John is correct in that the object I confirmed for XingMing is the same one that Mike first reported (now that I finally understand how to convert his coordinates).


--Tony
Jun 19 2003 00:09:50 Tony Hoffman
xxx@xxx
Mike has showed me a cropped image indicating

the same object that I had been following
(which I had confirmed for XingMing; I had
checked Mike's coordinates but couldn't reconcile
them. ) I, too, hope there is a good answer.

--Tony
Jun 19 2003 00:11:53 Tony Hoffman
xxx@xxx
Sorry, I didn't mean to send the last message.

I pressed "reset", and instead it re-sent the
old message.

--Tony
Jun 19 2003 00:12:03 Heiner Otterstedt
xxx@xxx
Disregard my previous reports!


I tried to reconcile Mikes report as well.
I think it is his comet. Congrats Mike!
But why dont you substract 247/564
yourself for easier understanding?

Regards, Heiner
Jun 19 2003 00:19:08 mike boschat
xxx@xxx
    My FINAL UPDATE on Comet in C3


My apologies to Tony Hoffman if my email & post
was "hard" sounding. Here 1230am and
a bit cranky as I did not have my warm milk yet.
The 0318 UT image just came in at 1 am so that
is all I'm doing in the way of updates.

****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.
777,460 in lower left corner
LASCO C3 IMAGES - 1024 x 1024
-----------------------------
Date Time X Y
-------- ---- --- ---
20030619 0118 403 129
0142 404 128
0242 403 121
0318 401 117
-----------------------
Mike Boschat
Jun 19 2003 11:12:47 Kazimieras Cernis
xxx@xxx
M. Boschat's C3 comet entered the C2 field.

0,0 in top-left corner in B/W 512x512 images.
Date Time X Y
2003/06/19 14:54 493 478
15:06
Kazimieras Cernis
Jun 19 2003 12:58:12 Pavel Shkreby
xxx@xxx
Possible Kreutz comet in a real-time C3 images.

Visible from 2003/06/19 15:18 UT in 4 images.
Position in last images
Time X Y
15:18 - 620.697
15:42 - 622.691
16:18 - 312.391 (812x562 b/w images)
16:42 - 313.388 (812x562 b/w images)
1024x1024 0.0 - upper left corner
----------
Pavel
Jun 19 2003 14:00:33 Pavel Shkreby
xxx@xxx
Disregard my previous report. Nothing in 1024õ1024 16:18 UT.


----------
Pavel
Jun 19 2003 14:24:17 Rainer Kracht
xxx@xxx
possible Kreutz group 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
20030619 1730 1004 884
20030619 1754 998 870
20030619 1806 996 862

Rainer
Jun 19 2003 14:39:27 Rainer Kracht
xxx@xxx
UPDATE Kreutz group 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
20030619 1730 1004 884
20030619 1754 998 870
20030619 1806 996 862
20030619 1930 990 848

This is my 100th SOHO comet!

Rainer
Jun 19 2003 14:39:59 Tony Hoffman
xxx@xxx
Rainer,

I can confirm your comet in the large images.
Congratulations on what would seem to be
No. 100!!

--Tony
Jun 19 2003 14:42:39 mike boschat
xxx@xxx
Faint Kruetz comet following main one in C2

at 20030619_1706 UT

Comet to lower right of main comet

****** NOTE ******
x-coordinates are probably correct,
but y-coordinates may be off by
several pixels.
777,460 in lower right corner
LASCO C2 IMAGES - 1024 x 1024

Date Time X Y
-------- ---- --- ---
20030619 1706 765 339
1730 761 328
1754 755 312
1806 753 306
---------------
Michael Boschat
Jun 19 2003 14:44:50 mike boschat
xxx@xxx
DISREGARD MY POST OF

Jun 19 2003 14:42:39

I guess Rainer got it.

Mike B
Jun 20 2003 10:23:26 Kazimieras Cernis
xxx@xxx
Possible comet in C2 now.

0,0 in top-left corner in 512x512 images.
Date Time X Y
2002/06/20 12:06 498 454
12:30

Kazimieras Cernis
Jun 20 2003 10:28:51 XingMing Zhou
xxx@xxx
Possible Kreutz group comet in C2 real-time images.

fuzzy.
0,0 in upper left corner

Images Size X, Y

20030620_1206_c2.gif 512 x 512 449, 491(B/W)
20030620_1230_c2.gif 512 x 512 447, 484(B/W)
20030620_1254_c2.gif 512 x 512 446, 475(B/W)

Regards, XingMing Zhou
Jun 20 2003 10:40:48 Kazimieras Cernis
xxx@xxx
Update. The object appeared diffuse, but

I can not find the object on image 12:54

Possible comet in C2 now.
0,0 in top-left corner in 512x512 images.
Date Time X Y
2002/06/20 12:06 498 454
12:30 496 452

Kazimieras Cernis
Jun 20 2003 10:50:09 Kazimieras Cernis
xxx@xxx
I can confirm XingMing diffuse object


Kazimieras Cernis
Jun 20 2003 12:20:52 Toni Scarmato
xxx@xxx
Possible comet in c2 b/w images


Positions 812x562 0,0 top-left corner

20030620

1554 469,540
1606 466,536

I am waiting other images to confirm

Regards,

Toni Scarmato
Jun 20 2003 12:23:55 Pavel Shkreby
xxx@xxx
Possible Kreutz comet in a real-time C2 images.

Visible from 2003/06/20 15:54 UT in 2 images.
Position in last images
Time X Y
15:54 - 469.540
16:06 - 466.536
812x562 b/w images 0.0 - upper left corner
----------
Pavel
Jun 20 2003 12:24:09 XingMing Zhou
xxx@xxx
Update my last report.

Possible Kreutz group comet in C2 real-time images.
faint and fuzzy,visible from 12:06 to 15:30.
0,0 in upper left corner,1024 X 1024

Images X, Y

20030620_1206_c2.gif 898, 981
20030620_1230_c2.gif 895, 964
20030620_1254_c2.gif 892, 951
20030620_1331_c2.gif 886, 926
20030620_1354_c2.gif 883, 913
...
Regards, XingMing Zhou
Jun 20 2003 12:49:54 Toni Scarmato
xxx@xxx
Update comet in c2


20030620

1554 469,540
1606 466,536
1634 460,527 faint e diffuse


Toni
Jun 20 2003 12:59:25 Toni Scarmato
xxx@xxx
Possible comet in C3 b/w images


positions 812x562 0,0 top-left corner

20030620

1518 293,391
1542 293,390
1618 294,388
1646 294,387

Is faint but visible in low resolution images.

Regards,

Toni Scarmato
Jun 20 2003 13:12:05 Toni Scarmato
xxx@xxx
Update possible comet in c2


20030620 812x562 b/w images 0,0 top-left corner

1554 469,540
1606 466,536
1634 460,527
1652 457,523


Regards,

Toni
Jun 23 2003 00:18:55 XingMing Zhou
xxx@xxx
Possible Kreutz group comet in C2 real-time images.

Very faint and fuzzy!visble from 06:06 to 11:30
0,0 in lower right corner,1024 X 1024

Images X, Y

20030622_0606_c2.gif 80, 39
20030622_0630_c2.gif 84, 52?(diffuse)
20030622_0654_c2.gif 88, 67
20030622_0731_c2.gif 94, 88
20030622_0754_c2.gif 98, 101
20030622_0806_c2.gif 99, 108
20030622_0830_c2.gif 104, 124(comet and star)
20030622_0854_c2.gif 108, 138
20030622_0906_c2.gif 110, 145
20030622_0930_c2.gif 115, 160
20030622_0954_c2.gif 120, 175
...

Regards, XingMing Zhou
Jun 23 2003 01:00:30 XingMing Zhou
xxx@xxx
Possible Kreutz group comet in C2 images(B/W).

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

Images Size X, Y

20030623_0430_c2.gif 512 x 512 479, 475
20030623_0454_c2.gif 512 x 512 476, 468

Regards, XingMing Zhou
Jun 23 2003 01:02:10 XingMing Zhou
xxx@xxx
Another Possible Kreutz group comet in C2 images(B/W).

It's fanit and small.
0,0 in upper left corner

Images Size X, Y

20030623_0406_c2.gif 512 x 512 460, 440
20030623_0430_c2.gif 512 x 512 457, 432
20030623_0454_c2.gif 512 x 512 454, 424

Regards, XingMing Zhou
Jun 23 2003 01:20:10 Tony Hoffman
xxx@xxx
I can confirm all three of XingMing’s claims! Here’s one of my own:


Possible Kreutz comet in C2
512 x 512, 0,0 in upper left corner)

20030623_0506 485,464
20030623_0454 486,468

Awaiting further positions to confirm.

--Tony Hoffman
Jun 23 2003 01:52:55 XingMing Zhou
xxx@xxx
Update

Two possible Kreutz group comets in C2 images.
0,0 in upper left corner

fuzzy,with short tail.

Images Size X, Y

20030623_0430_c2.gif 512 x 512 479, 474
20030623_0454_c2.gif 512 x 512 476, 466
20030623_0506_c2.gif 512 x 512 475, 462
20030623_0530_c2.gif 512 x 512 473, 455(B/W)
---------------------
fanit and small.

Images Size X, Y

20030623_0406_c2.gif 512 x 512 460, 440
20030623_0430_c2.gif 512 x 512 457, 432
20030623_0454_c2.gif 512 x 512 455, 424
20030623_0506_c2.gif 512 x 512 453, 420
20030623_0530_c2.gif 512 x 512 451, 411(B/W)

Regards, XingMing Zhou
Jun 23 2003 02:42:46 Tony Hoffman
xxx@xxx
Nothing shows up clearly on the next frames;

my claim most likely was noise. Report withdrawn.

--Tony
Jun 23 2003 06:09:14 Heiner Otterstedt
xxx@xxx
Possible comet in LASCO C3 images


Date: Monday, June 23, 2003

Positions: 1024x1024 images, (0,0) upper left

yyyy.mm.dd hh:mm x y
---------- ----- ---- ----
2003.06.23 07:42 638 808
2003.06.23 06:42 638 809
2003.06.23 06:18 638 810
2003.06.23 05:42 637 812
2003.06.23 05:18 636 814
2003.06.23 04:42 636 815

Regards,
Heiner Otterstedt
Jun 23 2003 08:03:36 Xavier Leprette
xxx@xxx
Possible Kreutz comet in a real-time C2 


The object is starting on 2003/06/23 at 09:30 UT.

0,0 in top-left corner of 512x512 B&W frames :
Time col, row
09:30 456,480
10:06 453,469
10:30


Xavier Leprette
Jun 23 2003 08:07:03 Xavier Leprette
xxx@xxx
Possible Kreutz comet in a real-time C2 


The object is starting on 2003/06/23 at 09:30 UT.
UPDATE : confirmation of the object

0,0 in top-left corner of 512x512 B&W frames :
Time col, row
09:30 456,480
10:06 453,469
10:30 451,461
11:06 447,450

Xavier Leprette
Jun 23 2003 08:13:51 Rainer Kracht
xxx@xxx
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
20030623 1130 956 930
20030623 1154 952 916
20030623 1206 948 908

Rainer
Jun 23 2003 08:14:04 Xavier Leprette
xxx@xxx
Another possible Kreutz comet in a real-time C2 


The object is starting on 2003/06/23 at 10:30 UT.

0,0 in top-left corner of 512x512 B&W frames :
Time col, row
10:30 485,484
11:06 481,473
11:54 475,458

Xavier Leprette
Jun 23 2003 08:38:23 Rainer Kracht
xxx@xxx
UPDATE (Kreutz group) 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
20030623 1130 956 930
20030623 1154 952 916
20030623 1206 948 908
20030623 1230 944 892

Rainer
Jun 23 2003 08:57:53 mike boschat
xxx@xxx
I am totally confused with ALL

the C2 comet posts, 2-3 XY and 4 XY's
Upadtes on updates.... I see
most of the comets and see a bright one
so I'll confirm Rainer, Xavier, Zhou
comet C2 finds.

MB
Jun 23 2003 09:18:52 Dong Hua Chen
xxx@xxx
Possible comet in realtime C2 images now.

The object is starting on 2003/06 /23 at 08:30 UT
Positions: 1024x1024 (0, 0) upper left
x y
2003/06/23 0830 922 995
2003/06/23 0854 918 981
2003/06/23 0906 917 974
2003/06/23 0930 912 959

Regards,
DongHua Chen
Jun 23 2003 09:24:05 Dong Hua Chen
xxx@xxx
Disregard my post of Jun 23 2003 08:57:53

Sorry.
Regards,
DongHua Chen
Jun 23 2003 09:28:14 Dong Hua Chen
xxx@xxx
Sorry everyone,

I disregard my post of Jun 23 2003 09:18:52

Regards,
DongHua Chen
Jun 23 2003 09:45:30 Pavel Shkreby
xxx@xxx
Possible Kreutz comet in a real-time C2 images.

Visible from 2003/06/23 12:54 UT in 2 images.
Position in last images
Time X Y
12:54 - 488.498
13:31 - 481.489
812x562 b/w images 0.0 - upper left corner
----------
Pavel
Jun 23 2003 11:03:54 Heiner Otterstedt
xxx@xxx
Disregard my post of Jun 23 2003 06:09:14.

sorry, object is not visible in following images.
Regards, Heiner
Jun 23 2003 11:07:20 Pavel Shkreby
xxx@xxx
UPDATE possible faint Kreutz comet in a real-time C2 images.

Visible from 2003/06/23 12:54 UT in 2 images.
Position in last images
Time X Y
12:54 - 961.896
13:31 - 949.879
13:54 - 941.863
14:06 - 936.851
I shall be very grateful if somebody can confirm or deny this post.
1024x1024 0.0 - upper left corner
----------
Pavel
Jun 23 2003 12:36:10 Xavier Leprette
xxx@xxx
Hi Pavel,

I am not able to see sommething at your positions about your previous reports.

regards
Xavier
Jun 25 2003 18:07:58 Derek Hammer
xxx@xxx
Hello folks,


Well, I managed to finally look at all the claims. However, there
was still some unfinished business in regards to a couple claims
by T. Hoffman and P. Shkreby (bot visible in 5/31 images). I have
decided to make them both x-comets. Reasons include large time
gaps between images, a proton storm occurring throughout, and no
significant cometary appearance to distinguish from noise, in
addition to the fact that the objects are not visible in many
images. Also, Pavels' object suggests a medium bright Kreutz comet
which I usually can spot in half-res color filter images. However,
I saw nothing in the 2:54 image when the object was at its
brightest. I never deny a comet due to absence from these images
but it does cast doubt...all of these reasons compel me to call
both x-comets.

The confirmations are below...NEWS FLASH...Rainer is not too bad
at finding comets! Congratulations on #100.

SOHO# Discoverer Dates Camera
===================================================
623 R. Kracht/M. Meyer 03/06/05 C2
624 R. Kracht 03/06/08-10 C2,C3
625 P. Shkreby 03/06/09 C2
626 M. Boschat 03/06/13-14 C2
627 R. Kracht 03/06/15 C2
628 R. Kracht/K. Cernis 03/06/16 C2,C3
629 R. Kracht 03/06/17-18 C2
630 J. Sachs 03/06/17-18 C2,C3
631 R. Kracht 03/06/18 C2
632 M. Boschat 03/06/19 C2,C3
633 R. Kracht 03/06/19 C2
634 X.-M. Zhou 03/06/20 C2
635 X.-M. Zhou 03/06/22 C2
636 X.-M. Zhou 03/06/23 C2
637 X.-M. Zhou 03/06/23 C2
638 X. Leprette 03/06/23 C2
639 R. Kracht/X. Leprette 03/06/23 C2

And on a sour note, most of you now know that SOHO is encountering
problems when trying to move its high gain antenna (HGA). The
result is that approximately 20 days out of every three months
the DSN will not have contact with SOHO via the HGA and therefore
no observations will be available. The first of these blackouts
will occur today or tomorrow...the LASCO doors have been shut
since Monday due to an EIT bakeout.

Please email me with any qustions or corrections to the above.

Derek
Jun 28 2003 10:09:03 David Evans
xxx@xxx
I just wondered if this possible Kreutz had been reported

before. I have looked through the Archive Reports for May 2003
but I cannot see it mentioned.

The object is easily visible so would be difficult to miss.

2003/05/23, 1024x1024 gifs, 0,0 Top Left

21:26 635, 1018
21:50 640, 1003
22:06 643, 994
22:26 649, 981
23:06 656, 959
23:26 660, 944
01:27 683, 866
01:50 688, 850

Again my apollogies if this object has been picked up before.

With the limited time I have available on the computer just now,
I may have over-looked the applicable report.

- Dave
Jun 28 2003 10:14:48 David Evans
xxx@xxx
Re: my previous post below of an object in images of 2003/05/23.

I omitted to mention that the report refers to the C2 frames.

- Dave
Jun 28 2003 13:07:15 John Sachs
xxx@xxx
I can confirm Daves, Kreutz

reported below Jun 28 2003 10:09:03
I think this one was not reported.
John
Jun 28 2003 13:58:16 David Evans
xxx@xxx
A possible small faint Kreutz in C2 images of 2003/05/19-20


1024x1024 gifs, 0,0 Top Left.

Visible in 4 frames

2003/05/19
23:50 525, 1013

2003/05/20
00:06 530, 1003
00:26 536, 990
00:50 542, 975

- Dave
Jun 30 2003 13:23:04 Derek Hammer
xxx@xxx
Hello, I can confirm the first of Dave's archive claims.  I could

confidently see the second claim (5/19-5/20) in only 3 frames but
it did show Kreutz-like properties...therefore it's an x-comet.


SOHO# Discoverer Dates Camera
===================================================
640 D. Evans 03/05/23 C2


Derek
Jun 30 2003 14:50:25 David Evans
xxx@xxx
A possible very faint small Kreutz in C3 images of 2003/06/22


1024x1024 gifs, 0,0 Top Left.

Visible in 6 frames

2003/05/22

02:42 545, 606
03:18 546, 602
03:42 546, 600
04:18 547, 597
05:18 548, 592
05:42 548, 590

- Dave
Jun 30 2003 14:53:22 David Evans
xxx@xxx
A date error in my previous report. 


For 2003/05/22 please read 2003/06/22

- Dave