Dave - great shot. Thanks for sharingDion On Saturday, February 14, 2015 11:33 PM, Dave Gary <davegary@me.com> wrote: A quick and dirty photo I took this evening of Comet Lovejoy. It’s a little lopsided and quite green. I downloaded a spectrum from the web for Comet Lovejoy. The spectrum shows a peak for CN (cyanide) compounds and a number of peaks for C2 (diatomic carbon) gas. The C2 gas gives the comet its green color. This comet has a fairly high gas/dust ratio.
https://www.flickr.com/photos/78046474@N06/sets/72157650412476360/ <https://www.flickr.com/photos/78046474@N06/sets/72157650412476360/>
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