[BAA Comets] Fw: Fw: [CometObs] C/2013 X1 outburst ?

[Peter Carson]

Hi,
I'm also seeing a diffuse extended coma, possibly 9' in dia. See my image http://www.astromania.co.uk/2013X1_20160107_1925_PCarson.jpg mid time just before Nick's.
I get a VEM of 9.1 using the Focas – Kphot method.

Peter

-----Original Message----- 
From: Shanklin, Jonathan D. 
Sent: Thursday, January 07, 2016 9:54 PM 
To: BAA Comets discussion list 
Subject: Re: [BAA Comets] Fw: Fw: [CometObs] C/2013 X1 outburst ? 

Pretty good agreement with my visual observation in 20x80B from central Cambridge - 8.2 and 5' diameter.

Regards,

Jonathan Shanklin
________________________________________
From: Comets-disc <comets-disc-bounces at britastro.org> on behalf of Nick James <ndj at nickdjames.com>
Sent: 07 January 2016 21:48
To: BAA Comets discussion list
Subject: Re: [BAA Comets] Fw: Fw: [CometObs] C/2013 X1 outburst ?

Hi all,

I managed to image this comet tonight in good skies using my widefield
setup from Chelmsford. There is definitely a very diffuse outer
extension to the coma. Using my VEM method I get mag 8.4 using UCAC-4 R
mags and a photometric aperture of 620 arcsec diameter. My image is here:

http://www.nickdjames.com/Comets/2013x1_20160107_1934_ndj.jpg

This is a nicely positioned object which will be interesting to follow
over the next few months.

Nick.

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