Search the web
Sign In
New User? Sign Up
comets-ml · Comets Mailing List
? Already a member? Sign in to Yahoo!

Yahoo! Groups Tips

Did you know...
Want to share photos of your group with the world? Add a group photo to Flickr.

Best of Y! Groups

   Check them out and nominate your group.

Messages

  Messages Help
Advanced
Messages 6568 - 6597 of 15087   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand   (Group by Topic) Author Sort by Date ^
6568
Hello List, Comet C/2003 T3 Tabur does not appear to be currently visible in SOHO high resolution (1024x1024) imagery. Animation of the images reveal no...
Michael Mattiazzo
cometmanau
Offline Send Email
Mar 1, 2004
12:31 pm
6569
Hello all, it seems to be a high season for asteroidal objects in comet-like orbits. Here are another two which might be interesting targets to monitor for...
Maik Meyer
maiki666
Offline Send Email
Mar 1, 2004
6:12 pm
6570
... orbits. Here are ... cometary activity ... likely nothing will ... (Larsen) which now ... of 39 years. ... Hello Maik, 2004 DZ61 seems in a nearly...
Juan Lacruz
juan_lacruz
Offline Send Email
Mar 1, 2004
7:20 pm
6571
... HOWEVER, it has semi-major axis in the classical EKB region. Although breaking the the theoretically suggested i(e)=e/2 stability border there may be some...
Sebastian F. Hoenig
shoenig@...
Send Email
Mar 1, 2004
7:25 pm
6572
Dear Juan, ... I simply base it on the Tisserand parameter. This is used as a rough and simplistic discrimination between comets and asteroids. Values smaller...
Maik Meyer
maiki666
Offline Send Email
Mar 1, 2004
7:43 pm
6573
... Should have showed other examples since it is not true in this context unless you take very extreme examples. Examples for odd-T are low-e comets one will...
Sebastian F. Hoenig
shoenig@...
Send Email
Mar 1, 2004
8:24 pm
6574
Sebastian, ... thats why I said (wrote) " ... rough and simplistic discrimination between comets and asteroids." ^^^^^^^^^^^^^^^^^^^^ I know that all this is...
Maik Meyer
maiki666
Offline Send Email
Mar 1, 2004
8:29 pm
6575
... The question is if we have 100-1000km sized comets... ;) Of course, the EKB is most likely the origin of short periodic comets but not all objects out...
Sebastian F. Hoenig
shoenig@...
Send Email
Mar 1, 2004
8:53 pm
6576
... How about a 1000km Kreutz comet? ;) My definition of a comet: Celestial body with a cometary designation. ;) Cheers, Maik -- If they give you ruled paper,...
Maik Meyer
maiki666
Offline Send Email
Mar 1, 2004
9:08 pm
6577
Thanks Maik and Sebastian for the clarifying discussion, I'll review Danby book for the Tisserand criteria. Juan...
Juan Lacruz
juan_lacruz
Offline Send Email
Mar 1, 2004
9:26 pm
6578
In an effort to standardise comet photometry, Julio Castellano has developped a tool which, based on the Astrometrica log, is able to produce accurate comet...
Juan Lacruz
juan_lacruz
Offline Send Email
Mar 1, 2004
9:28 pm
6579
... But again: this fails for EKB objects, if comet or not. Therefore one has to be careful with wide ellipses that have 35 < a < 50. Sebastian ... Sebastian...
Sebastian F. Hoenig
shoenig@...
Send Email
Mar 2, 2004
4:25 am
6580
Dear colleagues, Latest information of comets from ASAS-3 images. http://www.aerith.net/comet/asas3/asas3.html * C/2003 H1 ( LINEAR ) It became brighter and...
Seiichi Yoshida
seiichi_yosh...
Offline Send Email
Mar 2, 2004
11:17 am
6581
Hi everyone, for a meeting of the dutch comet section I´m preparing a historical overview of the appearences of two naked eye comets simultaniously. Thus far...
hermanusr
Offline Send Email
Mar 2, 2004
5:51 pm
6582
I was wondering if anyone had seen this comet recently? It is a bit low for me. I saw no recent visual observations at the places I searched. Mike H....
Mike Holloway
tricks46
Offline Send Email
Mar 2, 2004
6:48 pm
6583
It is perhaps worth making note here of my observation of this object made just a few minutes ago. I found it just barely detectable with 15x70 binoculars as...
cnj999
Offline Send Email
Mar 3, 2004
12:40 am
6584
John. Is there any past relationships with comets thought to be first time visitors and the comets that have come apart or disinteregrate. I probably am not...
Mike Holloway
tricks46
Offline Send Email
Mar 3, 2004
1:11 am
6585
... Hi Michael, I recently searched through my archive and found some prediscovery images of C/2003 T3. All images were reduced to yield an improved light ...
Vello Tabur
taburv
Offline Send Email
Mar 3, 2004
12:53 pm
6586
... first ... Mike, I can't say that I am aware of any definite relationship between "new" comets and a tendency for dissipation, although we happen to have...
cnj999
Offline Send Email
Mar 4, 2004
4:24 am
6587
Hi John/list, Despite the apparent slowdown in visual brightness of T7 in the last month, recent fixed aperture photometry of the inner coma (as used to ...
terryjlovejoy
Offline Send Email
Mar 4, 2004
9:03 am
6588
Looking forward for a response :P pass: 58846 [Non-text portions of this message have been removed]...
KCStarguy@...
kcstarguy2001
Offline Send Email
Mar 5, 2004
8:11 am
6589
Sorry about that recent post. I did not send it and am in a quandry about it. Dr. Eric Flescher (kcstarguy@...), Olathe, KS. USAFGU astronomy consultant,...
KCStarguy@...
kcstarguy2001
Offline Send Email
Mar 6, 2004
1:59 pm
6590
Eric, don't worry - it's a new spamming trick, not on are email adresses being spoofed, but also a password protected .zip file containing one of the new...
Brian OHalloran
ApolloSaturn5
Offline Send Email
Mar 7, 2004
9:42 pm
6591
Dear colleagues, The following comets are waiting for the first observation now. 103P is not observable until autumn. 58P brightened after the perihelion...
Seiichi Yoshida
seiichi_yosh...
Offline Send Email
Mar 8, 2004
1:15 pm
6592
Dear colleagues, The following comets are not observed recently and current brightness is uncertain. 88P was observed in early January, but much fainter than...
Seiichi Yoshida
seiichi_yosh...
Offline Send Email
Mar 8, 2004
1:16 pm
6593
Dear Vello, ... (snip) ... Would you show us your observations data? Here is my plot of C/2003 T3 from observations in Green and Morris's web pages and some...
Seiichi Yoshida
seiichi_yosh...
Offline Send Email
Mar 8, 2004
6:03 pm
6594
I have noticed that Alexandre & Terry have been visually estimating the brightness of C/2001 Q4 (NEAT) about 0.3 of a magnitude brighter than my recent...
Paul Kemp
pulinskipaul
Offline Send Email
Mar 8, 2004
10:30 pm
6595
... Hi Seiichi, Here are my V magnitudes: 2003 12 25.45 11.1 2003 12 07.48 11.2 2003 11 27.51 11.5 2003 10 14.48 12.0 2003 09 29.47 11.9 2003 08...
Vello Tabur
taburv
Offline Send Email
Mar 9, 2004
10:31 am
6596
Hello Paul, You should currently be using a pair of binoculars to make estimates of NEAT rather than a telescope, as the improved contrast using binoculars...
Michael Mattiazzo
cometmanau
Offline Send Email
Mar 9, 2004
1:20 pm
6597
Dear Vello, Thank you for your observations. I plotted them on the graph and updated the light curve: http://www.aerith.net/comet/catalog/2003T3/2003T3.html ...
Seiichi Yoshida
seiichi_yosh...
Offline Send Email
Mar 9, 2004
4:20 pm
Messages 6568 - 6597 of 15087   Oldest  |  < Older  |  Newer >  |  Newest
Advanced
Add to My Yahoo!      XML What's This?

Copyright © 2007 Yahoo! Inc. All rights reserved.
Privacy Policy - Terms of Service - Guidelines - Help