Hello Francois. ... Thanks for your follow-up. You are right: currently we cannot rule out either hypothesis. I think that in the next weeks the situation will...
15745
jinzhao_318
Jul 1, 2009 5:08 pm
Hi Nicolas: USB memory stick can be used~ If you want to give a presentation, I think you'd better talk with Dan Green. He will arrange your presentations. ...
15747
Dimitry Chestnov
astroched
Jul 2, 2009 12:04 pm
Hello all, I noted that the angular elements of NEA 2009 MC9 orbit are similar to those of lost comet D/1884 O1 (Barnard). D/1884 O1 (according to Kinoshita;...
15748
Maik Meyer
maiki666
Jul 2, 2009 12:12 pm
Dimitry, ... there is no chance of these two objects being related. It is just an accidental coincidence. Cheers, Maik -- If they give you ruled paper, write...
15749
Don Pearce
dpearce2d
Jul 10, 2009 3:53 pm
Test, is this group down? ... [Non-text portions of this message have been removed]...
15750
Alan Hale
ahale15
Jul 10, 2009 4:10 pm
Hi Don, The group hasn't been down -- there probably just hasn't been too much to talk about lately. We've had the recent full moon, of course, and while I ...
15751
Don Pearce
dpearce2d
Jul 10, 2009 5:15 pm
Hi Alan, Thanks, I was preparing a "Comet Report" for the Houston Astronomical Society monthly meeting, and noticed that there hadn't been any posts for...
15752
ligustri rolando
astroligu2002
Jul 19, 2009 11:34 am
Hi at all, at this address http://comete.uai.it/comete/22P_090719.jpg I have inserted my latest image of the comet 22P I find it interesting thin tail, visible...
15753
Dimitry Chestnov
astroched
Jul 19, 2009 11:52 am
I have a question to comet photometrists, Which generally accesible software (preferrably freeware) can remove stars from coma? I did not find software PCVISTA...
15754
gustavo_muler
Jul 19, 2009 12:04 pm
Hello Dimitry, Focas II change stars adus values to sky values in the calculation of the multiaperture coma. you can free download it here... ...
15755
Juan Antonio Henrķ...
jahensan
Jul 19, 2009 4:48 pm
Hello, In the same way as Gustavo say... Focas II can "delete" the stars if they are catalogued in the reference catalog used, Works with USNA-A2.0 and CMC-14...
15756
Dimitry Chestnov
astroched
Jul 19, 2009 6:00 pm
Gustavo and Juan Antonio, thank you very much! Very good software! Regards, Dimitry...
15757
Seiichi Yoshida
seiichi_yosh...
Jul 20, 2009 5:38 am
Dear colleagues, Any recent recovery trials of P/2004 X1 (LINEAR) and P/2003 A1 (LINEAR)? http://www.aerith.net/comet/recovery.html Best regards, -- Seiichi...
15758
Maik Meyer
maiki666
Jul 20, 2009 5:49 am
Dear Seiichi, ... I tried for P/2004 X1 in mid-June, covering the LOV for +/- 0.75 day. The limit was around 19.5. The field was very crowded, and nothing...
15759
l.elenin
Jul 20, 2009 6:27 am
Hello colleagues! I try to find P/2004 X1 on June 12, 15 and July 13. The covering LOV about +/- 1 day and mag. limit about 18.5m Best regards, Leonid Elenin, ...
15760
Robert McNaught
rmn@...
Jul 20, 2009 11:59 am
Targeted P/2004 X1 (LINEAR) tonight with the 0.5-m Uppsala Schmidt. Nothing found to mag 20.5V (asteroidal) +/- 1.7 days from nominal. The region around P/2004...
15761
Maik Meyer
maiki666
Jul 21, 2009 5:40 am
http://www.jpl.nasa.gov/news/news.cfm?release=2009-112 This is very reminiscent to the impact traces of D/1993 F2 (Shoemaker-Levy). Cheers, Maik -- If they...
15762
Mr Wyatt
outbackmanyep
Jul 21, 2009 6:52 am
Any possibility of this being the missing 85P/Boethin? Cheers! Chris W ... From: comets-ml@yahoogroups.com [mailto:comets-ml@yahoogroups.com]On Behalf Of Maik...
15763
David Nicholls
dcnicholls
Jul 21, 2009 6:56 am
This was discovered by Anthony Wesley on July 19, although the JPL press release article doesn't really give him full credit. See Wesley's page at...
15764
Dave Herald
dave_herald
Jul 21, 2009 7:19 am
This impact event was discovered by Anthony Wesley, an amateur using a 14" scope specially designed for high resolution planetary imaging. His page showing the...
15765
Tony Beresford
astrogram3
Jul 21, 2009 10:51 am
... David, the JPL press people have corrected their lack of professional conduct. The Press release now at...
15766
David Nicholls
dcnicholls
Jul 21, 2009 11:46 am
... Yes, but I think the line "Following up on a tip by an amateur astronomer, Anthony Wesley of Australia," is still understating Anthony's discovery....
15767
perryhelion
Jul 21, 2009 3:32 pm
Now that we have witnessed two impact events on Jupiter within a 15 year span, how about the past 400 years? Have any historical observations of similar impact...
15768
Dave Herald
dave_herald
Jul 21, 2009 3:39 pm
I think a fundamental problem is that the ability to detect events like that just detected by Anthony is relatively recent. That is, I think the past record of...
15769
Richard Hill
rikhill
Jul 21, 2009 5:17 pm
Perry, I investigated this very question shortly after SL-9 impacts and did a paper on this in the ALPO Journal (Vol. 38, N.4 Jan.1996, p.149-152) using the...
15770
kronk@...
gary_kronk
Jul 21, 2009 9:46 pm
There is one thing I would like to add. Maybe the impacts are not over with. It took several days for all of SL-9's pieces to strike Jupiter in 1994. What if...
15771
David Seargent
seargent@...
Jul 22, 2009 12:58 am
It would also be interesting to do a careful examination of any wide-field images including Jupiter or nearby regions taken in recent nights. Maybe someone,...
15772
David Seargent
seargent@...
Jul 22, 2009 1:07 am
... From: "Mr Wyatt" <carlec@...> To: <comets-ml@yahoogroups.com> Sent: Tuesday, July 21, 2009 4:52 PM Subject: RE: [comets-ml] Did a comet hit...
15773
Reiner M. Stoss
rms1kpde
Jul 22, 2009 2:11 am
... Without checking our coverage data in detail I can tell you that LSSS covered the area around Jupiter several times in the past week. I am pretty sure...
15774
RICHARD MILES
gallileo99uk
Jul 22, 2009 2:39 am
Reiner, I think the likelihood is that the object was asteroidal in which case it would not have been detectable at the distance of Jupiter since its diameter ...
