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19601 Gerhard Dangl
gerhard.dangl Offline Send Email
May 17, 2012
12:23 pm
This I can confirm. Astrometrica updated with elements from the MPC showed dRA +2.8' and dDe -1.3' for all C/2011 L4 positions on my images from 2012 05 14. ...
19602 Soulier Jean-FranÃ...
jeffcomete Offline Send Email
May 17, 2012
1:38 pm
Good morning.   C 2011 L4, 2012 05 16.98, m2=13.3 (+/- 0.1) R.O : 14.25" Echa. 2.85"/pix. Picture :...
19603 Alan Hale
ahale15 Offline Send Email
May 17, 2012
3:29 pm
Thanks everyone for the feedback. It appears that Terry hit the issue right on the head. I was using the MPC's ephemeris service, but when I just now compared...
19604 Pieter-Jan Dekelver
pieterjan87 Offline Send Email
May 17, 2012
5:27 pm
Hello, I observed several comets past few days: You can find all information on my website: www.astronomie.be/pieterjan.dekelver COD X13 COM Long. 5 40 46.6 E,...
19605 Rich
stargazer_08... Offline Send Email
May 17, 2012
7:07 pm
Also note the J.J. Gonzalez recent m1 of 12.2 for this comet. I think he picks up more of the outer coma than almost anyone due to having a better site, and...
19606 Alan Hale
ahale15 Offline Send Email
May 18, 2012
7:47 am
Hello everyone, I found the comet tonight, easily visible at the Horizons position: May 18.29, m1=13.5, 0.5' coma, DC = 8+ This whole exercise has been a...
19607 David Seargent
seargent@... Send Email
May 18, 2012
8:15 am
Hi all, Whatever happened to C/2012 F6? This has been quite well placed, but I can't find any observations since April 10. The ephemeris suggests a nice visual...
19608 Pieter-Jan Dekelver
pieterjan87 Offline Send Email
May 18, 2012
8:45 am
Hello everyone, I asked the Belgian group of comet observers to follow this comet also. But for us it is very low on the north horizon in the night. ... Best...
19609 gvnn64@...
gvnn64 Offline Send Email
May 18, 2012
8:55 am
Dear Mr. Pieter-Jan Dekelver. ... This comet is currently in Scorpius, and culminates due south. So, if you aim your scope south, instead of north, then you...
19610 Pieter-Jan Dekelver
pieterjan87 Offline Send Email
May 18, 2012
9:16 am
Whoops! My mistake! ... Best Regards, Mr. Pieter-Jan Dekelver Maasmechelen, Belgium pieterjan.dekelver@... www.astronomie.be/pieterjan.dekelver From:...
19611 gvnn64@...
gvnn64 Offline Send Email
May 18, 2012
9:38 am
No worries, I was just kidding (we are approaching the week-end, after all). Best wishes for yours effective cometary observations. Bye, Giovanni...
19612 Hidetaka
sedna_90377 Offline Send Email
May 18, 2012
9:56 am
Hi, I observed this faint comet at May 16. The comet appeared almost stellar, and not brightened so much... COD H06 OBS H.Sato TEL 0.43-m f/6.8 astrograph +...
19613 Gareth
grunwalder2002 Offline Send Email
May 18, 2012
5:59 pm
Check out http://www.minorplanetcenter.net/iau/MPCStatus.html for information on this problem and its fix. In summary, the elements displayed are now correct...
19614 Alan Hale
ahale15 Offline Send Email
May 18, 2012
6:53 pm
Dear Gareth, and all, ... For what it's worth, I did report this problem last night, after I had verified that the Horizons position was indeed correct and...
19615 Gareth
grunwalder2002 Offline Send Email
May 18, 2012
7:34 pm
Hi Alan: Ah, I stand corrected. You did send a feedback message at 07:54:32 UTC, but my mailer conveniently moved that message from the NEW folder to the...
19616 sergei_schmalz Offline Send Email May 18, 2012
8:40 pm
Good morning, all! A short question: are there any publications on orbital precession of comets? All I can find on the internet deals exclusively with nucleus...
19617 walcom77 Offline Send Email May 18, 2012
8:49 pm
Hi All We just updated our blog with our follow-up image of comet C/2011 L4 (PANSTARRS) imaged with 2.0-m Faulkes Telescope South: http://bit.ly/L5s2zY Ciao, ...
19618 David Seargent
seargent@... Send Email
May 19, 2012
2:26 am
Hi Ernesto, Giovanni, Nick and all, I notice that the phase angle of this comet is small at the moment. Do you think that this might be contributing to the...
19619 Seiichi Yoshida
seiichi_yosh... Offline Send Email
May 19, 2012
5:16 am
Dear colleagues, The following comets have not been observed recently. They are observable in the Southern Hemisphere. 71P/Clark 96P/Machholz 1 C/2011 U3 (...
19620 gvnn64@...
gvnn64 Offline Send Email
May 19, 2012
10:30 am
... Interesting question, David. Unfortunately we don't have previous data to compare the contribution of the phase effect to the brightness of this comet....
19621 RICHARD MILES
gallileo99uk Offline Send Email
May 19, 2012
9:15 pm
Comet 17P/Holmes is a fascinating comet having drawn our attention bigtime when it underwent a superoutburst brightening ~14 magnitudes on 2007 October 24....
19622 Dave Herald
dave_herald Offline Send Email
May 20, 2012
6:58 am
I imaged this comet on Feb 24 and Mar 30. The mean magnitude was 21.0 on both occasions. An image from Feb 24 is at: http://tinyurl.com/7u6t7vk Dave Herald ...
19623 terryjlovejoy Offline Send Email May 20, 2012
7:39 am
Hi Seiichi, From my survey images: May 16.8 : 71P at detection limit of 12 second exposures with 8" f2. Visual mag ~14. May 19.8: 96P not visible (likely...
19624 Seiichi Yoshida
seiichi_yosh... Offline Send Email
May 20, 2012
11:26 am
Dear Terry Lovejoy, Thank you very much for your report! I updated the light curves of 71P and 96P in my web pages. It's nice that 71P is still bright as...
19625 Luca Buzzi
buzzi_luca Offline Send Email
May 20, 2012
2:47 pm
http://schiaparelli204.wordpress.com/ Dear all, at the link above you can see some information and images about this new discovery. Regards, Luca Buzzi # 204...
19626 Luca Buzzi
buzzi_luca Offline Send Email
May 20, 2012
4:48 pm
Dear Richard, thank you for this valuable study, well done. Best regards, Luca Buzzi # 204...
19627 walcom77 Offline Send Email May 24, 2012
9:44 am
Hi All We just updated the blog with our confirmation image and info of newly discovered comet P/2012 K3 (GIBBS): http://bit.ly/MJnRPv Ciao, Ernesto Guido,...
19628 walcom77 Offline Send Email May 25, 2012
7:21 pm
Hi All We just updated the blog with info and image about our recovery of comet P/2005 N3 (LARSON): http://bit.ly/LAFDlQ Before the recovery this comet was...
19629 Erik Bryssinck
good4me_be Offline Send Email
May 25, 2012
9:07 pm
Congratulations with the recovery ! __________________________________ kind regards, Erik Bryssinck Brixiis Observatory (B96) - Kruibeke - Belgium ...
19630 Dave Herald
dave_herald Offline Send Email
May 27, 2012
3:54 pm
I’ve just posted some images of my recovery of 189P NEAT tonight. They are at: http://tinyurl.com/6txvhcn The comet is at about mag 18. The field is fairly...
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