Hello! I'm also observed this objects on Mar 18, 4x300 sec. And I'm not detected evident comet activity... Leonid Elenin, ISON-NM observatory (H15)...
17193
W.-t. Hsu
wentaopachacoti
Mar 20, 2011 7:33 pm
Hi Maik, and all, With great moonlight, I just analyzed images from C42 and cannot detect any cometary activity of BY58897. Nor do we discover a larger FWHM...
17194
W.-t. Hsu
wentaopachacoti
Mar 20, 2011 8:12 pm
Hi Maik and all, With contribution of our observations, I manage to obtain two orbital solutions by FindOrb: Orbital elements: BY58897 Perihelion 2013 Feb...
17195
W.-t. Hsu
wentaopachacoti
Mar 21, 2011 6:13 pm
Hi all, As the most recent MPEC releases, BY58897 is confirmed as a comet. It is designated as C/2011 F1 (LINEAR)....
17196
walcom77
Mar 21, 2011 6:49 pm
Dear All We have just updated our blog with more info & our confirming images of this new comet C/2011 F1 (LINEAR): http://bit.ly/fRK1jx Ciao, Ernesto Guido &...
17197
Luca Buzzi
buzzi_luca
Mar 21, 2011 8:47 pm
http://schiaparelli204.wordpress.com/ Dear all, at the link above you can find some information and our image of this new comet. Best regards, Luca Buzzi #204 ...
17198
Artyom Novichonok
artnovich
Mar 21, 2011 9:41 pm
Hello all! 9P/Tempel 2011 Mar. 04.79 UT: m1=14.5, Dia.=0.6', Tail=1.0' ...15-cm R + CCD ...A. Novichonok & D. Chestnov (remotely TzecMaun observatory, Moorook,...
17199
Artyom Novichonok
artnovich
Mar 21, 2011 9:44 pm
Hello all! 217P/LINEAR 2011 Feb. 28.80 UT: m1=20.6 ...50-cm M + CCD ...E. Romas & A. Novichonok (Pulkovo Kislovodsk Mtn. station, Russia) Best regards, Artyom....
17200
Alan Hale
ahale15
Mar 23, 2011 4:29 am
Hi everyone, In the Comet Observations group Uwe Pilz reports an apparent new outburst of this comet. I can confirm this: March 23.14, m1=13.3, 0.5' coma, DC...
17201
francois Kugel
fkspect
Mar 23, 2011 5:16 am
Hello Alan and all, I observed it this night and can confirm your observation : March 22.90, m1=12.7 (R filter), 0.5' coma, DC 6, CCD, 0.5-m reflector, exp....
17202
P. Clay Sherrod
drclay2002
Mar 24, 2011 4:43 pm
A new MPEC asteroid sorting program - MPEC Sort Application - is currently posted on the Arkansas Sky Observatories website: http://www.arksky.org ...
17203
Artyom Novichonok
artnovich
Mar 24, 2011 9:35 pm
Hello all! 29P/Schwassmann-Wachmann 2011 Mar. 24.16 UT: m1=12.9 (m2=14.1), Dia.=1.1' ...21-cm R + CCD ...A. Novichonok & D. Chestnov (remotely Tzec Maun...
17204
W.-t. Hsu
wentaopachacoti
Mar 25, 2011 3:42 pm
Hi all, By applying L-S filter to a 90 sec x 12 stacked image of 29P taken on Mar. 24, it reveals three eminent jets within the coma. (Image here:...
17205
Seiichi Yoshida
seiichi_yosh...
Mar 27, 2011 3:45 am
Dear Michal Kusiak, Thank you for your information about recovery of C/2000 O3=C/2005 W4. I also received M.P.E.C. 2011-F14 which announced the linkage of ...
17206
ligustri rolando
astroligu2002
Mar 27, 2011 7:13 am
Hi at all, this is my color image of the comet 29P https://picasaweb.google.com/astroligu/CometeDiRolandoLigustriCASTItalia#5588648988847859938 signal in the...
17207
Maik Meyer
maiki666
Mar 29, 2011 4:04 am
Hello all, an interesting preprint from D. Jewitt et. al. http://arxiv.org/abs/1103.5456 Cheers, Maik -- If they give you ruled paper, write the other way. *...
17208
Benjamin Brink
tekbasse
Mar 29, 2011 5:20 am
Maik, Thank you for posting this. Wouldn't the data most simply be explained by a "solar wind" of ISM passing through the heliosphere, thereby creating the...
17209
RICHARD MILES
gallileo99uk
Mar 29, 2011 10:47 am
Benjamin, I think you will find that the no. density of particles/ions/protons emanating from the Sun, even at times of very high activity, is too low to have...
17210
Benjamin Brink
tekbasse
Mar 29, 2011 4:47 pm
Richard, I'm sorry my message was unclear. By "solar wind" I meant a "wind" with some composite similar to "solar wind", but originating from the interstellar...
17211
Benjamin Brink
tekbasse
Mar 29, 2011 5:25 pm
Richard et al, The theory is not new. The earliest scientific paper I can find on this topic is: "Is the solar system entering a nearby interstellar cloud?"...
17212
RICHARD MILES
gallileo99uk
Mar 29, 2011 10:25 pm
Benjamin, There are quite a few potential mechanisms which can drive outbursts or the appearance of cometary features in asteroids and I agree that high-energy...
17213
Benjamin Brink
tekbasse
Mar 29, 2011 11:36 pm
Richard, Thank you for those data points and perspective. CME induced outbursts seem a natural possibility. The thermal conversion from absorption of various...
17214
David Seargent
seargent@...
Mar 30, 2011 3:46 am
Hi Richard, Looking through the list of "uncertain objects" in Vols. 4 & 5 of Cometography (Kronk & Meyer), it seems that several reported "comets" turned out...
17215
francois Kugel
fkspect
Mar 30, 2011 5:52 am
Hello, Here you can find my last observation of C/2011 C1 : http://comet.observations.free.fr/all-obs-table.php?Code=CK11C010&y1=2011&m1=01&y2=2011&m2=03 The...
17216
walcom77
Mar 31, 2011 12:11 pm
Hi All In order to provide further elements to the discussion about the maximum brightness this comet might actually reach, on 2011, March 14 we dedicated a...
17217
Artyom Novichonok
artnovich
Apr 1, 2011 8:44 pm
Hello all! C/2011 C1: 2011 Mar. 30.79 UT: m1=9.9, Dia=4.5', 18-cm L + CCD Image: ...
17218
David Seargent
seargent@...
Apr 2, 2011 6:15 am
Hi All, It is a pity that this comet is not as intrinsically bright as C/2006 P1 with the prospect of growing an equally extensive dist tail. Had that been the...
17219
Bomber2 Panther
outbackmanyep
Apr 2, 2011 7:56 am
Hi David, I have tried to observe this comet recently and have had no luck, it must be just out of reach of my 10" f/5 dob, using magnifications of x39, x83 &...
17220
Artyom Novichonok
artnovich
Apr 2, 2011 8:23 am
Hello all! C/2010 X1 still very faint for visual observations: 2011 Apr. 01.32 UT: m1=16.2, Dia=0.45' ...21-cm R + CCD Visual observations will possible...
17221
Juan Jose' Gonza&...
jjgsgp
Apr 2, 2011 5:27 pm
Recent visual data: C/2011 C1 (McNaught): 2011 Apr. 1.23 UT: m1=9.1, Dia.=8', DC=3, 25x100B. [ In 20 cm SCT (77x): Tail: 0.2 deg. in PA 260 deg ]. ( Alto del...