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23409
273P/Pons-Gambart outburst? Dear colleagues, In MPEC 2014-G32, 273P/Pons-Gambart was reported so bright as 17.8 mag on Apr. 4. 2014 Feb. 22 20.8 mag H06 2014 Apr. 4 17.8-18.2 mag
Seiichi Yoshida
Apr 13
#23409
 
23408
Comet C/2014 E2 Jacques - image and animation April 4 Taken from New Mexico Skies. Cute Comet Clear, still skies Joe Image https://www.flickr.com/photos/43846774@N02/13708800845/
josephbrimacombe
Apr 7
#23408
 
23407
Re: C/2014 E2 production and orbit Dear all, According to visible-uv spectroscopists (Dave Schleicher and Emmanuel Jehin et al. (Trappist)), The water production rate at the end of march was a
biver_nicolas
Apr 7
#23407
 
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23406
New Comet C/2014 F1 (HILL) Hi all Blog updated with our confirmation image and some info about newly discovered comet C/2014 F1 (HILL): http://bit.ly/1if2C4i Congrats to Rik! Ciao,
walcom77
Apr 2
#23406
 
23405
Re: C/2014 E2 Hi Folks, The development of comet C/2014 E2 Jacques is progressing very nicely. My observation last night below. 2014 Apr 1.50 UT: m1=9.9, Dia.=8',
Michael Mattiazzo
Apr 1
#23405
 
23404
Re: High acceleration in a comet's plasma tail Excellent thanks for the PDF version. A good read Daniel. The method can be applied to many of the stereo images showing disconnection events. kind regards,
Alan Watson
Apr 1
#23404
 
23403
Re: High acceleration in a comet's plasma tail Sorry for the last (empty) post. For easier reading I prepared a pdf version of the article. I did no OCR, so you cannot copy the text form the document.
piu1958
Mar 31
#23403
 
23402
Re: High acceleration in a comet's plasma tail Dear observes, for easier reading I prepared a pdf version of the paper. http://kometen.fg-vds.de/tmp/1992Fischer_1989Q1.pdf
piu1958
Mar 31
#23402
 
23401
Re: High acceleration in a comet's plasma tai ... SURVIVAL OF THE FITTEST? [1] ber die Zukunft der Betriebswirtschaftslehre. JETZT IM UNI.DE MAGAZIN [2] ... [1]
Uwe Pilz
Mar 31
#23401
 
23400
Re: High acceleration in a comet's plasma tail ... Anyone able to convert the five Scans from the book (in GIF format) into a PDF? Perhaps even OCR the text? That would be helpful ... ;-) Dan
skyweek
Mar 31
#23400
 
23399
Re: High acceleration in a comet's plasma tail That is interesting, Daniel. Perhaps if to have pdf version of your paper, are you able to share it ? The other link is also a good read. I am very interested
Alan Watson
Mar 31
#23399
 
23398
High acceleration in a comet's plasma tail The event happened almost 25 years ago to Okazaki-Levy-Rudenko, but renewed interest in comet plasma tail dynamics - see e.g. http://arxiv.org/abs/1403.1346 -
skyweek
Mar 31
#23398
 
23397
Re: C/2014 E2 (Jacques) Nice image Nirmal Chris
Christina Feliciano
Mar 30
#23397
 
23396
Re: C/2014 E2 (Jacques) All scientific benefits aside, that's a beautiful image! DTVBA
Desi and Betsi's Dad
Mar 30
#23396
 
23395
C/2014 E2 (Jacques) Comet C/2014 E2 (Jacques) from Siding Spring Observatory Australia on 2014-03-30 . The comet is visible near the galaxy NGC 3157 in the image. TEL = T9 0.32-m
nirmalpaul2000
Mar 30
#23395
 
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23394
Re: C/2014 E2 Hi all, I would be surprised if it is dynamically new for the reasons already mentioned (viz. its "late" discovery). But if it does turn out to be new, perhaps
David Seargent
Mar 29
#23394
 
23393
Comet 29P/Schwassmann-Wachmann update Dear All, Additional to the note appended below, further analysis of data indicates that NO outburst will take place on or about March 28 (chance of it
Richard Miles
Mar 27
#23393
 
23392
Re: C/2014 E2 Hi Folks, My visual observation tonight of comet C/2014 E2 Jacques 2014 Mar 27.50 UT: m1=10.2, Dia.=4', DC=4/5...20cm L 67x...Michael Mattiazzo (Swan Hill,
cometmanau
Mar 27
#23392
 
23391
Re: C/2013 V5 - new? Using the orbital elements of C/2013 V5 (Oukaïmeden) as given in MPC 87479 of 2014 March 16, I found the following values of that comet's orbital eccentricity
Jean Meeus
Mar 27
#23391
 
23390
Re: C/2013 V5 - new? Hi David, The orbit has been perturbed slightly by Jupiter which it passed 0.4 AU from in October 2013. This has reduced the eccentricity of the orbit from
terryjlovejoy
Mar 26
#23390
 
23389
Re: C/2013 V5 - new? Hi Ignacio and Dave, The MPC is giving an original 1/a of +0.000033 AU^-1 from the latest orbit, which still suggests this comet is dynamically new. I do tend
Alan Hale
Mar 26
#23389
 
23388
Re: C/2013 V5 - new? Hi David: I have just checked the Minor Planet Center database, and there are 6 orbits for this comet. In the first one the object is hyperbolic. In the next
Ignacio Ferrin
Mar 26
#23388
 
23387
C/2013 V5 - new? Hi all, I noticed that the most recent orbit for this comet is elliptical and suggests that it is not a dynamically new one. If this is true, it may make quite
David Seargent
Mar 26
#23387
 
23386
Re: C/ 2014 E2 Congratulations on this milestone, Alan! Padma
Padma Yanamandra-Fisher
Mar 24
#23386
 
23385
Re: C/ 2014 E2 Congratulations Alan. That's really a great feat. On Sun, Mar 23, 2014 at 10:44 PM, Desi and Betsi's Dad
Mayank Raichura
Mar 23
#23385
 
23384
Re: C/ 2014 E2 Congratulations! That is, indeed, a huge accomplishment! DTVBA
Desi and Betsi's Dad
Mar 23
#23384
 
23383
Re: C/ 2014 E2 Hello everyone, We finally had a relatively decent night here last night, and I was able to observe this comet: March 23.22 UT, m1=10.6, 3.2' coma (41 cm
Alan Hale
Mar 23
#23383
 
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23382
C/2012 K1 (PANSTARRS) ion tail? Hi, dear friends! *Comet C/2012 K1 (PANSTARRS) possible ion tail 2.7' long (PA=255 deg) appeared.* Dust tail 3.7' long can be easily observed in the direction
Taras Prystavski
Mar 23
#23382
 
23381
Re: C/ 2014 E2 At 01:30 ut , March 23, I estimate it at mag 10.8 using 180mm f/8 reflector. Futher information on comet-obs mailing list Alex!
costeira1
Mar 22
#23381
 
23380
C/ 2014 E2 I observed this comet in a 25x100 binocular telescope at 10 hrs. UT this evening (Mar. 22) and made it m = 9.8, D = 6. It was close to a 9 mag. star and
David Seargent
Mar 22
#23380
 
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