[BAA Comets] C/2013 US10 Catalina - Apparent 3rd tail ?

[Andrew Robertson]

Your image shows it more as a fork in the ion tail rather than a 3rd tail Peter. I did look at it last night about 1.30am after the moon had largely got out of the way but I was only using my OMC 200 albeit a very high contrast scope. In that there was a very large coma with a much larger tenuous extension filled in over about 90 degrees.

Andrew

-----Original Message-----
From: Comets-disc [mailto:comets-disc-bounces at britastro.org] On Behalf Of Peter Carson
Sent: 18 January 2016 11:21
To: BAA Comets discussion list <comets-disc at britastro.org>
Subject: Re: [BAA Comets] C/2013 US10 Catalina - Apparent 3rd tail ?

Hi Mike,
I imaged C/2013US10 107 minutes after you on the 16th Jan. My image, which is closer in to the coma, also shows a streamer heading off slightly south of west.
Full details are on the image.
http://www.astromania.co.uk/2013US10_20160116_0535_PCarson.jpg

All the best 
Peter

-----Original Message----- 
From: Andrew Robertson 
Sent: Monday, January 18, 2016 8:52 AM 
To: 'BAA Comets discussion list' 
Subject: Re: [BAA Comets] C/2013 US10 Catalina - Apparent 3rd tail ? 

More noticeable with the star trails removed. Interesting.

Andrew

-----Original Message-----
From: Comets-disc [mailto:comets-disc-bounces at britastro.org] On Behalf Of Michael Oates
Sent: 17 January 2016 18:32
To: BAA Comets discussion list <comets-disc at britastro.org>
Subject: [BAA Comets] C/2013 US10 Catalina - Apparent 3rd tail ?

Hi,

There is what appears to be a faint third tail between the main dust and gas tails.

45 subs of 60s each, all registered on the comet. Full details on the images.

With trailed stars:
http://astrob.in/236516/B/

Stars removed by using rejection during integration.
http://astrob.in/236516/0/

Regards,

Mike
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