Spiral galaxy M99

Posted by dcrowson
on Thursday, March 24, 2016

M99 (NGC 4254, UGC 7345 and others) is an unbarred spiral galaxy located approximately 50 million-light years away in Coma Berenices.

Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2

360 minutes total exposure – 6 hours

Imaged March 1st, 2nd and 9th, 2016 from Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.

LRGB - https://www.flickr.com/photos/dcrowson/25943664881/sizes/l

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