Hello Jakub
comet 2P/Encke is clearly a gas rich (or dust poor) comet, this is confirmed by a number of CCD filtered data from different observers. About...
5882
Seiichi Yoshida
seiichi_yosh...
Nov 1, 2003 1:55 pm
Dear Jakub Cerny, ... Sorry for confusion. The magnitude of comets in my ASAS-3 images page mean predicted magnitude. They are not the measured magnitude from...
5883
gvnn64
Nov 1, 2003 1:55 pm
Another few thoughts about multicolor CCD cometary photometry: 1) you should consider the error budget of the nmeasurements: for a comet around magnitude 11,...
5884
Jakub Cerny
sigfridkaos
Nov 1, 2003 3:26 pm
Thank you Giovanni, now I have clear in this thing! BTW. I hope some whole BVRI photometry of T7 will come early, and maybe if David try to make BVRI on C/2001...
5885
ligustri rolando
astroligu2002
Nov 1, 2003 7:04 pm
... sounds a little exaggerated. In >the past, I measured pretty dusty comets, like C/2002 F1 (Utsunomiya): on April 2002 it showed a very >nice parabolic ...
5886
Stefan Beck
stefan_beck_xyz
Nov 1, 2003 7:36 pm
Hi list, I have uploaded new images from 6 comets to my homepage. Regards, Stefan Beck http://www.cometchaser.de "Astrophotography with small telescopes" ...
5887
Rosely Gregio
rgregio2001
Nov 2, 2003 3:44 am
Dear colleagues, The Session of Cometas /REA Brasil publishes starting from this month the Bulletin Electronic Costeira1 - Comets in the format PDF. The...
5888
ligustri rolando
astroligu2002
Nov 2, 2003 9:09 am
Hi Stefan, I find your very beautiful images, compliment! I inform everybody that I have adjourned the page of the site comets Italian (http://comete.uai.it/)...
5889
Seiichi Yoshida
seiichi_yosh...
Nov 2, 2003 10:11 am
Dear colleagues, 2P/Encke is now bright. Some visual observers reported the large coma about 10 arcmin. However, some CCD observers reported it looks stellar ...
5890
John Drummond
john_drummon...
Nov 2, 2003 1:31 pm
Hi Hermanus, I did two visual observations of Q4 tonight seperated by a few hours. It's looking nice and 'bright'... C/2001 Q4 (NEAT) 2003 November 02.37 UT:...
5891
Juan Lacruz
juan_lacruz
Nov 2, 2003 3:32 pm
The elongated aspect of the coma and because the comet is now about the descending node suggest me that we could expect an inminent nucleus disruption. Best...
5892
KCStarguy@...
kcstarguy2001
Nov 2, 2003 5:31 pm
Greetings comet friends I have found an interesting southern hemisphere site with many nice pictures. The observer is named mmatti but I can not been able to...
5893
sfhoenig@...
sfhoenig
Nov 2, 2003 5:35 pm
Eric, it is Michael Mattiazzo. I think you also find him in this group. Quote on his website: "Send comments to Michael Mattiazzo : mmatti at yp-connect.net"; ...
5894
hermanusr
Nov 2, 2003 7:16 pm
Hi John, thanks for the observations of 2001 Q4 of last night. I've added them to my analysis of comet 2001 Q4. At present the brightnees evolution of 2001 Q4...
5895
Alexandre Amorim
costeira1
Nov 2, 2003 7:38 pm
Dears friends, Recent magnitudes estimates for C/2001Q4 (from Brazilian observers) are available at http://costeira1.astrodatabase.net/cometa/observ01q4.htm...
5896
gvnn64
Nov 2, 2003 7:40 pm
... results there are. Hello Rolando, as you know, when performing CCD photometry there are a number of factors that could influence the data. Actually I...
5897
Jakub Cerny
sigfridkaos
Nov 2, 2003 7:53 pm
Hello Hermanus, I found few additional estimates on Brazilian comet section (link - http://costeira1.astrodatabase.net/cometa/observ01q4.htm i found it in REA...
5898
Seiichi Yoshida
seiichi_yosh...
Nov 2, 2003 7:54 pm
Dear colleagues, I studied on comets which show the light curves as they were asteroids. Comets with Asteroidal Light Curves ...
5899
john_drummond@...
john_drummon...
Nov 3, 2003 12:07 am
Hi all, with the recent solar activity, storms, and aurora I wondered if they might have stirred up a bit of 'life' on Schwassmann-Wachmann 1. I tried to see...
5900
ligustri rolando
astroligu2002
Nov 3, 2003 6:23 am
Hi Giovanni, is right on the conversion between Tycho and Johnson, to make the measures me I have used the program of the Afrho, I hope that who has planned it...
5901
hermanusr
Nov 3, 2003 9:29 am
Hi Jakub, I have noticed in the last few months that predicting the brightness evolution of 2001 Q4 is very tricky. First, there are not so many observation of...
5902
terryjlovejoy
Nov 3, 2003 9:55 am
Hermanus, This is all of my CCD integrated magnitude data for 2001 Q4. It represents the total USNO R magnitude for the entire coma and is about +/- 0.3 mags....
5903
Maik Meyer
maiki666
Nov 3, 2003 10:06 am
Terry, ... nevermind, it is of general interest and response to a special question. By the way, I can confirm the low photometric parameters of C/2001 Q4 and...
5904
gvnn64
Nov 3, 2003 10:40 am
... who has ... No, in the Afrho software you are using, you should type by yourself the appropriate *Johnson* magnitudes. For those interested, I inserted in...
5905
hermanusr
Nov 3, 2003 11:24 am
Hi Terry, thanks for the data of 2001 Q4. Let me know when you have new observation of this comet (CCD or visual). Regards, Hermanus....
5906
Michael Mattiazzo
cometmanau
Nov 3, 2003 1:38 pm
Hello all, The website address is http://www.yp-connect.net/~mmatti/ Find my latest image of C/2003 T3 Tabur taken on October 22nd. 7x20 sec exposures. The...
5907
Waldemar Skorupa
prinzpaul
Nov 3, 2003 1:58 pm
Hello, back from holidays in Bavaria I took some images with EOS 10D of Encke and HT50. Especially the M31 passby at 25th October. If you like check out at ...
5908
Giannantonio Milani
g_milani2001
Nov 3, 2003 3:58 pm
Dear Jakub, it is the first time I write in this mailing list. I am happy to see that there is interest in multicolor photometry and that Giovanni has already...
5909
Jakub Cerny
sigfridkaos
Nov 3, 2003 4:59 pm
Hi Hermanus, I can totaly agree with you. For my result (photometric parameters near n=3 and H0=5) I use for computing it only observations after solar...
5910
Jakub Cerny
sigfridkaos
Nov 3, 2003 4:59 pm
Hello Maik and Terry, first, thank you Terry for your CCD data, it says a many about comet (especialy if it's made by one observer with same instrumets :-)....
