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Messages 6568 - 6597 of 21482   Oldest  |  < Older  |  Newer >  |  Newest
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6568 Michael Mattiazzo
cometmanau Send Email
Mar 1, 2004
12:31 pm
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...
6569 Maik Meyer
maiki666 Send Email
Mar 1, 2004
6:12 pm
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...
6570 Juan Lacruz
juan_lacruz Send Email
Mar 1, 2004
7:20 pm
... orbits. Here are ... cometary activity ... likely nothing will ... (Larsen) which now ... of 39 years. ... Hello Maik, 2004 DZ61 seems in a nearly...
6571 Sebastian F. Hoenig
shoenig@... Send Email
Mar 1, 2004
7:25 pm
... 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...
6572 Maik Meyer
maiki666 Send Email
Mar 1, 2004
7:43 pm
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...
6573 Sebastian F. Hoenig
shoenig@... Send Email
Mar 1, 2004
8:24 pm
... 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...
6574 Maik Meyer
maiki666 Send Email
Mar 1, 2004
8:29 pm
Sebastian, ... thats why I said (wrote) " ... rough and simplistic discrimination between comets and asteroids." ^^^^^^^^^^^^^^^^^^^^ I know that all this is...
6575 Sebastian F. Hoenig
shoenig@... Send Email
Mar 1, 2004
8:53 pm
... 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...
6576 Maik Meyer
maiki666 Send Email
Mar 1, 2004
9:08 pm
... 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,...
6577 Juan Lacruz
juan_lacruz Send Email
Mar 1, 2004
9:26 pm
Thanks Maik and Sebastian for the clarifying discussion, I'll review Danby book for the Tisserand criteria. Juan...
6578 Juan Lacruz
juan_lacruz Send Email
Mar 1, 2004
9:28 pm
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...
6579 Sebastian F. Hoenig
shoenig@... Send Email
Mar 2, 2004
4:25 am
... 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...
6580 Seiichi Yoshida
seiichi_yosh... Send Email
Mar 2, 2004
11:17 am
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...
6581 hermanusr Send Email Mar 2, 2004
5:51 pm
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...
6582 Mike Holloway
tricks46 Send Email
Mar 2, 2004
6:48 pm
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....
6583 cnj999 Send Email Mar 3, 2004
12:40 am
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...
6584 Mike Holloway
tricks46 Send Email
Mar 3, 2004
1:11 am
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...
6585 Vello Tabur
taburv Send Email
Mar 3, 2004
12:53 pm
... 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 ...
6586 cnj999 Send Email Mar 4, 2004
4:24 am
... 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...
6587 terryjlovejoy Send Email Mar 4, 2004
9:03 am
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 ...
6588 KCStarguy@...
kcstarguy2001 Send Email
Mar 5, 2004
8:11 am
Looking forward for a response :P pass: 58846 [Non-text portions of this message have been removed]...
6589 KCStarguy@...
kcstarguy2001 Send Email
Mar 6, 2004
1:59 pm
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,...
6590 Brian OHalloran
ApolloSaturn5 Send Email
Mar 7, 2004
9:42 pm
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...
6591 Seiichi Yoshida
seiichi_yosh... Send Email
Mar 8, 2004
1:15 pm
Dear colleagues, The following comets are waiting for the first observation now. 103P is not observable until autumn. 58P brightened after the perihelion...
6592 Seiichi Yoshida
seiichi_yosh... Send Email
Mar 8, 2004
1:16 pm
Dear colleagues, The following comets are not observed recently and current brightness is uncertain. 88P was observed in early January, but much fainter than...
6593 Seiichi Yoshida
seiichi_yosh... Send Email
Mar 8, 2004
6:03 pm
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...
6594 Paul Kemp
pulinskipaul Send Email
Mar 8, 2004
10:30 pm
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...
6595 Vello Tabur
taburv Send Email
Mar 9, 2004
10:31 am
... 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...
6596 Michael Mattiazzo
cometmanau Send Email
Mar 9, 2004
1:20 pm
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...
6597 Seiichi Yoshida
seiichi_yosh... Send Email
Mar 9, 2004
4:20 pm
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 ...
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