Dear colleagues, P/2005 L1 (McNaught) was observed on Feb. 4, 2011 (M.P.E.C. 2011-D06). It is the first positive observation after the aphelion passage. ...
17163
Bernd Häusler
stargazer_fr...
Mar 6, 2011 7:16 am
Dear Seiichi, on images of January, 30 2011 I have no detection of the comet down to 20 mag. Where can I see observations of PK05L010 in 2011? No observations...
17164
Seiichi Yoshida
seiichi_yosh...
Mar 6, 2011 7:40 am
Dear Bernhard Haeusler, ... Thank you for your report. ... I could not find the recent observations of P/2005 L1, either. Only I found is, the orbital elements...
17165
Dave Herald
dave_herald
Mar 7, 2011 1:06 pm
I have just tried to find this comet. Recorded asteroid 143870 at mag 19.6, but no sign of the comet. Dave Herald Murrumbateman, Australia ... From: Seiichi...
17166
Gareth
grunwalder2002
Mar 8, 2011 7:13 pm
The inclusion of a new orbit for P/2005 L1 was an error. Note that no observations of that object were published on D06. There was a single-night report of a...
17167
Alan Hale
ahale15
Mar 10, 2011 8:19 pm
Comet McNaught C/2011 C1 We've been in a bit of a "dry spell" lately as far as visual comet observing goes, and it has been almost three months since the last...
17168
David Seargent
seargent@...
Mar 11, 2011 11:23 pm
Hi Alan, Congrats on finding C1. Have you attempted Elenin yet? I noticed in the latest batch of astrometric obs. tha,t although there was quite a scatter of...
17169
Artyom Novichonok
artnovich
Mar 12, 2011 6:32 am
Dear David and all, No, brightness of C/2010 X1 is 16-16.5m. Ours latest estimates: Mar. 08.43 UT: m1=16.5, Dia.=0.4', Tail=0.7' Mar. 09.48 UT: m1=16.3,...
17170
Alan Hale
ahale15
Mar 12, 2011 6:03 pm
Hi David, and all, I did make an attempt for C/2010 X1 back in late February, under good sky conditions, and didn't see anything. I'd put the limiting...
17171
P. Clay Sherrod
drclay2002
Mar 12, 2011 7:51 pm
The comet is so concentrated right now that if you can locate via a good star chart you are certain to see it in apertures greater than 10" or so. Total...
17172
Dave Herald
dave_herald
Mar 13, 2011 12:34 am
My astrometric images of Feb 23, Mar 1 & 2 returned nuclear magnitudes of around 18.0. If you plot the magnitudes from all reported astrometry, there is a...
17173
P. Clay Sherrod
drclay2002
Mar 13, 2011 12:53 am
As did ours. Clay _____ Dr. P. Clay Sherrod Arkansas Sky Observatories MPC H45 - Petit Jean Mountain South MPC H41 - Petit Jean Mountain MPC H43 - Conway West ...
17174
Alan Hale
ahale15
Mar 13, 2011 3:22 am
Dear Clay, and all, I can quite confidently state that this comet is currently *not* detectable visually in a 16 inch (41 cm) telescope. I was using a...
17175
Artyom Novichonok
artnovich
Mar 13, 2011 9:20 am
Hello David, Alan and All, Our newest estimates for Elenin's comet: 2010X1 2011 02 22.40 C 17.5 UD 45.5P 3a300 0.3 0.5m289 ICQ XX NOV01I C...
17176
Alan Hale
ahale15
Mar 14, 2011 3:56 pm
Hi everyone, This comet seems to be brightening rather rapidly; this morning I observed m1=12.4, 2.2' coma, DC ~2. Sincerely, Alan...
17177
Alan Hale
ahale15
Mar 14, 2011 5:14 pm
Hi everyone, It's been pointed out to me that I didn't specifiy the comet in my last posting (something I did in fact realize when the post came back),...
17178
Bomber2 Panther
outbackmanyep
Mar 14, 2011 9:11 pm
Hi Alan, Which comet are you referring to? Cheers, Chris W ... [Non-text portions of this message have been removed]...
17179
Bomber2 Panther
outbackmanyep
Mar 14, 2011 9:12 pm
Ah it's ok, you're next email trickled through, all is answered! Cheers! Chris W ... [Non-text portions of this message have been removed]...
17180
yekpkom
Mar 16, 2011 4:22 pm
Hello, I'm searching for new elements for comet 105P/Singer Brewster. The MPES ephemeris is 7' off the recovery positions. Can somebody from the list help me? ...
17181
Paul Camilleri
paulcamilleri71
Mar 16, 2011 5:29 pm
Hi, Werner, I observed this comet on two nights in Feb 2011, below are the observations, I found it to be almost spot on the predicted position. ...
17182
Rob
kaufman_rob
Mar 17, 2011 5:12 am
Hi Alan - yes it does seem to be brightening rapidly. I shot a widefield this morning (just two short subs) and C/2011 C1 shows really well as a small green...
17183
Bob King
cometlynx
Mar 17, 2011 2:33 pm
Hi Alan, It was great to hear your report, because it prompted me to go back out for one last look at C/2011 C1 McNaught yesterday morning at moonset. It was...
C/2011 C1 (McNaught): 2011 Mar. 18.22 UT: m1=10.2, Dia.=4.5', DC=3, 20 cm SCT (100x). [ Faint, diffuse outer coma. Obvious motion, observed over a 15-min...
17185
Artyom Novichonok
artnovich
Mar 18, 2011 9:08 pm
Hello Juan Jose and All, Thank you for report! C/2011 C1 2011 Mar. 16.47 UT: m1=11.0:, Dia.=&3.8' (CCD-estimate) Large and very diffuse. Image: ...
17186
Seiichi Yoshida
seiichi_yosh...
Mar 20, 2011 4:34 am
Dear colleagues, As already reported, C/2011 C1 (McNaught) is brightening very rapidly. Here is the light curve: ...
17187
Seiichi Yoshida
seiichi_yosh...
Mar 20, 2011 6:17 am
Dear colleagues, Following 3 periodic SOHO comets have been expected to return recently, but not recovered. C/1999 N5 = C/2005 E4 Marsden T=2010 Oct. 30 ...
17188
Michal Kusiak
komeciarz
Mar 20, 2011 10:00 am
Dear Seiichi, Rainer Kracht detected a Kracht-group comet in LASCO C3 images of Mar9-10. It was possible return of C/2000 O3=C/2005 W4. (orbital period 5.3...
17189
francois Kugel
fkspect
Mar 20, 2011 11:45 am
Hello, I observed C/2011 C1 (McNaught) this mornig, here you can find my report : http://comet.observations.free.fr/display-obs1.php?Num=2251 Best regards, ...
17190
Maik Meyer
maiki666
Mar 20, 2011 1:59 pm
Hello, just a thought... BY58897 from the NEOCP _MIGHT_BE_ a comet. BY58897 Perihelion 2013 Feb 25.960339 TT; Constraint: e=1 Epoch 2011 Mar 20.0 TT = JDT...
17191
Erik Bryssinck
good4me_be
Mar 20, 2011 4:47 pm
Hi Maik, ... Thanks for the info !! Maybe... indeed, that is wat i thougt from my observations. I have observations with R-Bessel filter and with clear filter,...
