Dear colleagues, I updated the light curves of two remarkable periodic comets, 141P and 9P. Michael Jager succeeded to observe 141P as around 12.0 mag. It is ...
7989
gvnn64
Mar 1, 2005 11:20 pm
... mag. ... bit ... Dear Seiichi, thanks for your update. I'm waiting with interest the first visual estimations of 9P/Tempel: up to now the photometry on...
9P/Tempel: 2005 Mar. 1.99 UT: m1=13.3, Dia.=0.6', DC=4, 20 cm SCT (100x). C/2003 K4 (LINEAR): 2005 Mar. 1.85 UT: m1=9.4, Dia.=4', DC=3, 25x100B. C/2004 Q2...
7991
gvnn64
Mar 2, 2005 10:56 am
... Hola J.J. so finally you get it: congratulations! I have seen that also another Spanish amateur has seen comet 9P/Tempel almost simultaneously with you,...
7992
comets-ml@yahoogroups...
Mar 2, 2005 9:52 pm
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the comets-ml group. File : /Remanzacco...
7993
Michael Mattiazzo
cometmanau
Mar 3, 2005 9:53 am
Hello all, Did anyone else notice the particularly strong non-gravitational parameters published in the latest MPEC for comet 2004 T4 LINEAR? ...
7994
reinder j bouma
reinder_bouma
Mar 3, 2005 10:45 am
... Hi Michael and all, Nakano published an orbit several days ago [NK 1169], also with pretty large non-gravitational parameters, using a different model...
7995
Mike Kretlow
mk9938
Mar 3, 2005 11:03 am
... Hello Michael! The non-gravitational accelerations (a_i) are expressed as : a_i = A_i * g(r) * e_i where A_i are the parameters A1,A2,A3 and e_i are unit...
7996
microplanet333
Mar 4, 2005 11:59 pm
Would anyone care to estimate, very roughly speaking, how much time it would take a comet to travel from the Oort cloud to the inner solar system? Thanks. Bill...
7997
Seiichi Yoshida
seiichi_yosh...
Mar 5, 2005 10:26 am
Dear colleagues, 21P/Giacobini-Zinner is already in the morning sky, and it must be already bright as 15 mag. However, nobody succeeded to observe it since...
7998
Seiichi Yoshida
seiichi_yosh...
Mar 5, 2005 3:13 pm
Dear colleagues, The following comets are waiting for the first observation now. 141P/Machholz 2 was observed by Michael Jager on Feb. 27 at 12.0 mag, but not...
7999
Seiichi Yoshida
seiichi_yosh...
Mar 5, 2005 10:42 pm
Dear colleagues, My "Weekly Information about Bright Comets" page: http://www.aerith.net/comet/weekly/current.html was renewed. I had written only "one-line";...
8000
Don Pearce
bigdp12000
Mar 6, 2005 7:52 am
The time of that trip, of course, would depend on where in the outer (classical) Oort cloud the comet began its inward plunge. If your looking for an average,...
8001
Susan Olason
oleduke@...
Mar 8, 2005 5:36 am
Seiichi, Thank you for your weekly information on bright comets. It is one of the few places where one can find good information on all current and near term...
8002
filip fratev
kometata088
Mar 8, 2005 7:59 am
Dear colleagues, 105P was observed at 18.8 last night. 21P was 16.1m. This is unfiltered assessments. I want to inform you that my further assessment (MPC...
8003
Maik Meyer
maiki666
Mar 8, 2005 8:13 am
Dear Filip, ... sure, you can upload images to the images or files section of the group at http://groups.yahoo.com/group/comets-ml Attachment are not allowed. ...
8004
Seiichi Yoshida
seiichi_yosh...
Mar 9, 2005 10:21 am
Dear colleagues, The actual position of 141P/Machholz 2 is off from the predicted position. Based on the observations by Michael Jager, the perihelion date of ...
8005
Akimasa Nakamura
a-nakamu@...
Mar 9, 2005 12:41 pm
Dear Seiichi and all, It looks like to me that Michael observed fragment 'A', not 'D'. MPC 45656 gives the orbital elements of 'D', but the T you mentioned is...
8006
reinder j bouma
reinder_bouma
Mar 9, 2005 12:41 pm
... Dear Seiichi, I find that Michael Jaeger's images are slightly better fitted with T = 2005-02-28.246 UT. This gives a current position that differs from...
8007
Maik Meyer
maiki666
Mar 9, 2005 4:36 pm
Hi all, ... I have measured Michaels first image with Astrometrica and sent it to the CBAT. The resulting correction in perihelion time was +0.5 day, exaclty...
8008
Christopher E. Collins
bucky_19812001
Mar 9, 2005 4:38 pm
I have a Galileo 800mm X 80mm reflector telescope with 16mm and 20mm eyepieces, it came with Galileo Trilogy software planetarium ver 1.8. I dont know what...
8009
m yuh
muyhan9861
Mar 10, 2005 5:28 am
hi... try this site http://cfa-www.harvard.edu/iau/Ephemerides/Comets/SoftwareComets.html they list 17 differant formats maybe one is what your...
8010
Seiichi Yoshida
seiichi_yosh...
Mar 10, 2005 6:34 am
Dear Akimasa and Reinder, Thank you for your information. ... Thank you. Well, I could confirm that I searched the correct position visually on Mar. 8,...
8011
Maik Meyer
maiki666
Mar 10, 2005 3:15 pm
Hi all, returning from a business travel from Berlin I found in my mailbox (snail mail) a preprint of a paper by Z. Sekanina and P. W. Chodas titled "Origin of...
8012
Seiichi Yoshida
seiichi_yosh...
Mar 10, 2005 3:24 pm
Dear Filip, ... Thank you. MPECs were issued after your post. Today I updated the light curves of them, and updated the information in my web pages. Best...
8013
cnj999
Mar 10, 2005 6:30 pm
... (snail mail) a ... Association ... Yes, a most interesting paper indeed! The study would appear to bring all the "sunskirting" comets (a new term coined by...
8014
Brian Cudnik
brian_cudnik
Mar 10, 2005 6:56 pm
I wanted to print out comparison charts for comets, available on http://www.shopplaza.nl/astro/. I opened up the image file successfully and am able to read it...
In usual conditions at height of 170m above sea level on 10 March the comet 141P/Machholz has not been found in 30-cm Newton at a limit on stars 12m. Zodiac...
8017
amar sharma
amar10sharmaa
Mar 14, 2005 12:41 pm
Hi Brian, My name's Amar and this is my first ever mail since I've joined. I too had the same problem when I downloaded the images and printed them. But the ...
