First of all I would like to apologise for a mistake in a previous post regarding the brightening trend of Comet C/2002 V1. This had a computational error...
2991
Clay Sherrod
drclay2002
Dec 1, 2002 8:15 pm
C/2001 HT50 (LINEAR-NEAT) 2002 Dec 01.43 UT: m1=12.6 (*), Dia.=0.4', DC = 5/9, ...0.31m SCT/ccd.......P. Clay Sherrod, (ASO - Conway) [Short and straight tail...
2992
geraint_h_jones
Dec 2, 2002 8:48 am
Dennis, I bought a copy of Comets I a few years ago from Sky & Telescope (www.skyandtelescope.com). They seem to have a fairly extensive collection of items...
2993
john_drummond@...
john_drummon...
Dec 2, 2002 9:36 am
Gosh Clay, you sure have had a busy nights observing... Well done, CCDs sure do have their advantages. John C/2001 HT50 (LINEAR-NEAT) 2002 Dec 01.43 UT:...
2994
Guus Gilein
guusnl2000
Dec 2, 2002 11:11 am
Goto www.abebooks.com and do a search on "Wilkening" (Author) and "Comets" (Title) That will give you 31 hits, with items from $8.99 to $40.00 You should have...
2995
terryjlovejoy
Dec 2, 2002 11:33 am
I have uploaded new images of C/2002 T7 and C/2002 V1 to the Yahoo Photos area (i.e http://photos.groups.yahoo.com/group/comets-ml/lst). Terry...
2996
Dennis Persyk
dennis_persyk
Dec 2, 2002 1:31 pm
Thank you very much, Guus! That place is a goldmine for astronomy books of all kinds. Dennis ... chapter ... are ... http://docs.yahoo.com/info/terms/ ... ...
2997
Maik Meyer
maiki666
Dec 2, 2002 1:38 pm
Hi Dennis and all, ... for European searches I use (besides abebooks) http://www.zvab.com . Especially antique prints are available. Interestingly Pingre's ...
2998
Clay Sherrod
drclay2002
Dec 2, 2002 4:46 pm
A few comets obtained between incoming clouds and wind; seeing conditions very poor which likely affected some estimates of larger/brighter comets. 81P Wild 2 ...
2999
Gerald Rhemann
gerald.rhemann@...
Dec 2, 2002 5:41 pm
Hello! Comet V1 is brighten to mag. 12.0 with a coma of 6-7´. Michael Jäger took this picture of the comet last night. ...
3000
JOSNAVPI
darkman71es
Dec 3, 2002 12:28 am
Hello all: The comet 2002 V1 NEAT happens to single 14" to the south of star GSC 3447-814 of visual magnitude +7,2, to the 00:44 UT of the day 03/12/02, reason...
3001
JOSNAVPI
darkman71es
Dec 3, 2002 2:05 am
Hi all , sorry the comet is 2001 RX14 LINEAR. greetings josnavpi@... ... De: JOSNAVPI <josnavpi@...> Fecha: Martes, Diciembre 3, 2002 1:28 am ...
3002
JOSNAVPI
darkman71es
Dec 3, 2002 2:08 am
Hi all: C/2002 V1 NEAT 3.08/12/02 UT m1=12.3,dia.coma=4',GC=2,x133 F/5 L-25 cms.,J.P.Navarro Pina ,(Murcia, Spain). regards josnavpi@......
3003
Seiichi Yoshida
comet@...
Dec 3, 2002 9:58 am
Dear John Bortle, ... Even if so, it yields the following (rapid increasing) formula: m1 = 8.0 + 5 log d + 16.7 log r Assuming the coefficient of log r as 10,...
3004
gvnn64@...
gvnn64
Dec 3, 2002 1:06 pm
Hello, some recent CCD photometry about two comets. It's interesting to notice how C/2002 V1 is showing pretty blue colors (V-I~ +0.3), while C/2001 RX14 is...
3005
JOSNAVPI
darkman71es
Dec 3, 2002 1:28 pm
Hello Giovanni: Those data are very interesting that you contribute on the color of comets, you describe to 2002 V1 NEAT with blue colors, this means that this...
3006
gvnn64@...
gvnn64
Dec 3, 2002 2:41 pm
Hola J.P., thank you for your e-mail. I'm not an expert about cometary spectrophotometry but, yes, I think that the color differences remarked between these...
3007
piotrekguzik
Dec 3, 2002 2:48 pm
Hello Giovanni, Could You upload Your images to photos section? Regards Piotrek...
3008
gvnn64@...
gvnn64
Dec 3, 2002 3:19 pm
OK, I did it: one b/w image of C/2001 RX14 and another showing the VRI tricolor comparison between C/2001 RX14 and C/2002 V1 (just to feel the difference...). ...
3009
piotrekguzik
Dec 3, 2002 3:30 pm
Thanks Giovanni, Piotrek...
3010
Maik Meyer
maiki666
Dec 3, 2002 3:55 pm
Hi Giovanni, ... regarding chemical abundances there have been studies already in the pre-80's. Last week I was reading in "Comets" (Ed. L. Wilkening) about ...
3011
Clay Sherrod
drclay2002
Dec 3, 2002 3:55 pm
C/2002 V1 NEAT 2002 Dec 3.35 UT: m1=12.2 (*), Dia.=1.0', DC = 5/9, ...0.31m SCT/ccd.......P. Clay Sherrod, (ASO - Conway) [Possible odd shape to this coma,...
3012
JOSNAVPI
darkman71es
Dec 3, 2002 5:00 pm
Hello Giovanni: Ccd image of a comet is interesting to study colorimetry of an image because you can obtain interesting results on the quimica composition of...
3013
JOSNAVPI
darkman71es
Dec 3, 2002 5:01 pm
Hola Giovanni: image Ccd of a comet is interesting to study colorimetria of an image because you can obtain interesting results on the quimica composition of...
3014
Maik Meyer
maiki666
Dec 3, 2002 5:56 pm
Now I have had a quick look at "Comets". ... Oort and Schmidt attempted in 1951 a spectroscopic-photometric-orbital classification of comets. This was based on...
3015
Owen Brazell
obrazell
Dec 3, 2002 7:17 pm
For interest Springer have just published a book in their practical astronomy series called Observing Comets by Nick James and Gerald North....
3016
JOSNAVPI
darkman71es
Dec 3, 2002 10:27 pm
Hello Maik: Method semiempiric denominated of Newburn exists (1983) in which reducing the light curve, graphic mag.reducida-log R can be obtained with a...
3017
Maik Meyer
maiki666
Dec 4, 2002 8:18 am
Hi all, I guess for the majority of readers this URL is nothing new but for those who are not aware of it I'll post it here. The ICQ has a page with ...
3018
sfhoenig@...
sfhoenig
Dec 4, 2002 10:15 am
Hi all, we actually had a sungrazer in SOHO LASCO C2 images at around the time of total eclipse in Africa. If your camera reached around mag 8 you may possibly...
3019
gvnn64@...
gvnn64
Dec 4, 2002 10:29 am
Hello, thanks to all for the references! In my opinion it would be very nice to keep informed the list on new interesting papers/books published about comets,...