[BAA Comets] C/2012 S1 IMAGE tail bifurcation?

[Erik Bryssinck]

Hi Denis,

in my observation, i did yesterdaymorning, I also noted a change, especially in the morphoglogy of the comet. For the Afp-value (according the CARA-apprauch) I could notice a peak about 286 cm, an increase of 10% compared to the days before. Similarly, the form has changed, a form similar to an outburst however small it may be. I just posted that on only on the CIOC-facebook page (closed group). What you also perceive could mean a change in the comet behavior.

possible is the 'dark part' of the comet now more exposed to the sun, or is possible something else going on? beginning  of the disintegration? comet becomes more active? cleaving of certain fragments? fragmentation? who knows?? all is possible, it think.  continue to closely observe this comet is definitely strong recommended. This are exciting days !!

__________________________________ 

kind regards, 

Erik Bryssinck 

Brixiis Observatory (B96) - Kruibeke - Belgium
http://www.astronomie.be/erik.bryssinck/ 
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http://cara.uai.it - Cometary Archive for Af(Rho)
http://www.vvs.be - Belgian Association for Amateur Astronomers 

----- Oorspronkelijk bericht -----
Van: "DENIS BUCZYNSKI" <buczynski8166 at btinternet.com>
Aan: Comet-Images at yahoogroups.com, comets-ml at yahoogroups.com, comets-disc at britastro.org, asvcometsection at yahoogroups.com
Verzonden: Woensdag 6 november 2013 06:59:51
Onderwerp: [BAA Comets] C/2012 S1 IMAGE tail bifurcation?

Hello all,
I imaged this comet an hour ago and suspected that there was a broadening of the tail and a possible bifurcation seen after 5 arc mins of the tail length with a portion seen to the south and the west. On individual frames watched as the images were taken this tail structure was present on all images. The observing conditons were not perfect, there was hazy thin cloud present, but I tried to bring out this detail in the stack of 10x60s frames. The image is at this link below.   


http://britastro.org/baa/index.php?view=detail&id=1835&option=com_joomgallery&Itemid=200

I hope I am not crying wolf here, but I honestly believe that there has been some development of the tail stucture of this comet today. It will be interesting if other images from telescopes in better locations and conditions show this feature to be real,

Denis Buczynski
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