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C/2013 US10 in the morning twilight


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About this observation
Nick James
Time of observation
28/11/2015 - 05:55
C/2013 US10 (Catalina)
Observing location
Chelmsford, Essex
Canon 550D

It was clear this morning so I went out east of Chelmsford to have a go for 2013US10. The sky was very bright due to the Moon and dawn was coming but it was visible (just) in 10x50 bins. The two tails are just visible.  I extracted the green channel of this image and attempted to use my VEM software to extimate a total magnitude. I get 7.0 which seems a bit faint but it was a very bright sky.

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