Hello all, Find new images of comets 2002 Y1 Juels-Horvocem and 2001 Q4 NEAT on my website: http://www.yp-connect.net/~mmatti/ 2001 Q4 is on target for a fine...
5066
Dennis Persyk
dennis_persyk
Jun 1, 2003 2:50 pm
Hi Mike, I have observed varying contrast ratios in my comet GIFs. I typically take a series of 50 to 100 thirty-second exposures. I usually get some frames...
5069
rstoss@...
rms1kpde
Jun 2, 2003 11:04 pm
After we measured this comet tonight with the 30-cm scope at the Observatorio Astronomico de Mallorca (OAM) I checked our observations and noticed that...
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P. Clay Sherrod
drclay2002
Jun 3, 2003 7:36 am
A beautiful sight tonight of comet LINEAR 2001 K5; it is tiny but developing one of the most beautiful and delicate tails possible. I have posted a raw ...
5071
Konrad.Horn@...
Jun 3, 2003 12:54 pm
Hi Mike and Dennis, ... My experience is that the sky conditions are variating within short time periods (60-120sec). I personally cannot see that with my eyes...
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Mike Holloway
tricks46
Jun 3, 2003 5:46 pm
I deleated the other post and will try this as I seldom make myself clear. http://neo.jpl.nasa.gov/cgi-bin/db_shm?rec=400233 If you run this animation up to...
5073
perryhelion
Jun 3, 2003 8:09 pm
Good call Maik. Check out the MPEC at: http://cfa-www.harvard.edu/mpec/K03/K03L08.html ... 0.04875122 ... 0.92323614 ... 0.38112772 ... Jimenez ... ...
5074
perryhelion
Jun 3, 2003 8:34 pm
Hi Mike - Because at least the main fragment survived a second perihelion passage in 2001 after its 1995 split, I think there will be something to see in 2006....
5075
perryhelion
Jun 3, 2003 8:47 pm
Of course the magnitude would have reached -1 if perihelion had been on April 22 instead of October 22 (according to the IAU lightcurve). Imagine this new...
5076
Denis V. Denissenko
dendarahden
Jun 3, 2003 9:35 pm
... Another badly positioned orbit! :-( If only it came 6 months earlier (or later)! Change perihelion passage date from October to April, and you get...
5077
perryhelion
Jun 3, 2003 9:50 pm
... earlier (or later)! ... negative ... And in the midnight sky no less......
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Josef Mueller
j.j.mueller@...
Jun 4, 2003 9:40 pm
Hello Clay, hello all, in the night from Sunday (03-06-01) to Monday (22:53:22h-23:29:30h UT) I took 10x180s-pictures (the comet move slowly: 27"/h) of C/2001...
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P. Clay Sherrod
drclay2002
Jun 4, 2003 10:19 pm
Very nice, Josef! thanks for the work and passing this on..... Clay ... Dr. P. Clay Sherrod drclay@... Arkansas Sky Observatory Harvard/MPC H43...
5080
perryhelion
Jun 5, 2003 12:21 am
Hi all - Does anyone know of a good source for finding orbital elements for multiple apparitions? For example, I would like to find the elements for the 2008...
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Greg Bryant
gchbryant
Jun 5, 2003 5:02 am
... Hi Mitch, I e-mailed the SSD webmaster several months ago about the possibility of getting that 30 year lookahead database restored, but no answer yet. ...
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Maik Meyer
maiki666
Jun 5, 2003 5:24 am
Hi all, I have also tried to produce several sets of elliptical solutions with the new astrometry available and can also confirm that the short-period solution...
5083
perryhelion
Jun 5, 2003 6:02 am
How far back do the SWAN images go? Would it be feasible to search through the archives to see if the comet can be found along its expected orbit? That would...
5084
Maik Meyer
maiki666
Jun 5, 2003 6:23 am
Hi Mitch, ... unfortunately this doesn't help much. The current parabolic orbit is far more exact than the positions that can be obtained from SWAN images. The...
5085
perryhelion
Jun 5, 2003 6:43 am
I was thinking along the lines of the predicted 1992 return of Swift- Tuttle, where the comets of 1737 and 1862 were assumed to be the same (consequently 109P...
5086
sfhoenig@...
sfhoenig
Jun 5, 2003 7:12 am
P/2003 KV2 (LINEAR) T 2008 Jul 7.082335 TT Epoch 2008 Jul 3.0 TT = JDT 2454650.5 M 359.19326 (2000.0) P Q q 1.0616207...
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Maik Meyer
maiki666
Jun 5, 2003 7:24 am
Hi Mitch, ... as far as I know the SWAN images are publicly available much later than 1997. But there are other tools available to check NEAT, DSS, DSS2, POSS ...
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David Seargent
seargent@...
Jun 5, 2003 8:01 am
Dear All, Managed a visual observation of C/2001 Q4 on May 31, using the 25.4-cm refl. at 114x. I estimated the magnitude as 13.3. It is still too early to say...
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Reiner M. Stoss
rms1kpde
Jun 5, 2003 10:37 am
... seems ... not ... K2 ... comet ... Another reason why it was not detected before might be the situation of the orbit. Before perihelion the comet is always...
5090
perryhelion
Jun 5, 2003 10:52 am
Not as favorable an apparition as I hoped, but thanks anyway. :-) Hopefully it will eventually make a close pass to the earth. ... 0.87664787 ... 0.03250576 ...
5091
perryhelion
Jun 5, 2003 10:55 am
What a handy site! Thanks for the link. ... tool and ... Jimenez ... ______________________________________________________________________ __...
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sfhoenig@...
sfhoenig
Jun 5, 2003 11:18 am
The problem is that it has a surprisingly resonant orbit and therefore we have to wait for some approaches (at best 0.4 AU) to Jupiter to throw it out this ...
5093
terryjlovejoy
Jun 5, 2003 12:58 pm
Interesting thoughts about Q4.. David's mag 13.3 observation (at a distance 4.7 AU from the sun) places this comet intrinsically brighter than most other NEW...
5094
David Higgins
higginsdj
Jun 6, 2003 12:02 am
Just how accurate are the ephemeris predicted magnitudes for comets? I was following the the discussion on 2001 Q4 and went to check the ephemeris predition...
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David Higgins
higginsdj
Jun 6, 2003 4:15 am
Where does someone find details about comets and asteroids? I'm not talking about ephemeris but things like discovery circumstances, composition (spectra) and...
5096
Maik Meyer
maiki666
Jun 6, 2003 4:59 am
Hi David, ... educated guesses. Nothing more. The brightness parameters do in fact change and you have to adjust them to receive a more realistic value. But in...
