Of the three questions below, it's really the approximate current distance from the Sun that I'm most interested in. When I tried to create a diagram in a...
Tony, My data says that Ikeya-Seki reaches aphelion in 2404 at a r distance of 183 AU. It is currently at about 60 AU out. Its orbital speed at a perihelion ...
Dear colleagues, Hirose discovered a 15-mag bright new supernova 2005W on Feb. 1. IAUC 8475 announced that nothing is visible on Hirose's CCD image on Jan. 11....
Dear colleagues, The following comets are waiting for the first observation now. 141P must be brightening rapidly. It will appear in the very low sky at dusk...
... Ciao Giovanni, in quella occasione parlerai anche di Afrho e del gruppo CARA? Visto che Antonio non ci potrà essere sarebbe importante continuare a fare...
Hello All! Became accessible to visual observations the comet 49P/Arend-Regaux that the comet possesses a coma does not cause doubt. In total in 3' from a...
hi vitali comet arend rigaux was in the return 1984/5 bright too (12 mag). at the time around perihel i found a 20-25' tail regards michael jäger ... Hello...
Michael Jaeger
m.jaeger@...
Feb 6, 2005 12:54 pm
7954
Hello comethunters and -lovers; I have just added a page to my website with old maps on comets observed by Charles Messier. ...
Dear list, I just want to point you to the latest IAUC 8479 that reports observations of comet Hale-Bopp by Rivkin & Binzel with the 6.5-m Clay telescope at...
Hello list, you may be interested on an update about 9P/Tempel some 5 months before the "Deep-Impact" fireworks. Currently the comet is at r~ 2.0 A.U., while...
Hi Giovanni i confirm your observation - small condensed coma and short tail. around 14-15mag on morning feb. 9 on ccd images michael jaeger ... Hello list, ...
Michael Jaeger
m.jaeger@...
Feb 9, 2005 4:14 pm
7959
Hi list, IAUC 8485 reports the identification of the lost comet D/1819 W1 (Blanpain) with the Apollo object 2003 WY25. This was already suggested one year ago...
... The IAUC sounds rather like "could be, but we are not 100% sure". It says "COMET D/1819 W1 (BLANPAIN) AND 2003 WY25" and *not* "COMET D/1819 W1 (BLANPAIN)...
I have a question guys. The other night, I was out observing C/2004 Q2 Machholz. I noticed what appeared to be waves of light traveling down the tail. Kind of...
... Hello Howie, I think that the last possibility you mentioned is probably the right one. Currently comet Machholz is at almost 93 million Km from Earth....
Well the night was completely still, clear and no moon. I kind of figured that the distance from head to end of tail would be too great a distance for the it...
... Me too... Let's see if any other skilled observer can comment about it. Cheers, Giovanni ____________________________________________________________ 6X...
Someone posted a link (See below) that shows exactly what I saw, If you look at the smaller animation you can see the pertubations running down the tail....
... Howie, this is the ion tail perturbations I mentioned in my previous post. Usually they take ten of munutes to hours in order to propagate (depending on...
Thanks. We'll get to the bottom of this eventually. Howie ... If ... previous post. Usually they take ten of munutes to hours in order to propagate (depending...
... Some old (19th century) comet observers occasionally reported this, calling the phenomenon "coruscation". A logical conclusion from the apparent speed at...
... From: "Howie" <scanmann1@...> To: <comets-ml@yahoogroups.com> Sent: Monday, February 14, 2005 6:02 AM Subject: [comets-ml] Question on C/2004 Q2...
David Seargent
seargent@...
Feb 13, 2005 11:46 pm
7971
... looking. Howie ... session ... C/2004 ... traveling ... see ... womdering if ... is it ... real ... recall ... tail of ... terms) by ... as the ... in more...
... From: "cnj999" <jbortle@...> To: <comets-ml@yahoogroups.com> Sent: Monday, February 14, 2005 9:17 AM Subject: [comets-ml] Re: Question on C/2004 Q2...
David Seargent
seargent@...
Feb 15, 2005 3:09 am
7973
Dear all, C/2005 A1 (LINEAR) has brightened rapidly in the last couple of weeks. I first saw it as a very marginal object in 25x100 binoculars on Feb. 3.54 and...
David Seargent
seargent@...
Feb 15, 2005 3:09 am
7974
Dear Giovanni, ... Today I updated the light curve of 9P: http://www.aerith.net/comet/catalog/0009P/2005.html The red curve shows the predicted brightness in...
