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
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
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@...
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
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@...
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
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@...
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
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
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
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@...
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...
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
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
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
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
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
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
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
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
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
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
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...
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...
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...
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
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
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
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...
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 ...