M99 by Dan Crowson

M99 by Dan Crowson

Dan Crowson

Animas, New Mexico

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

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 1×1
RGB – 8x300s – 40 minutes each – binned 2×2

360 minutes total exposure – 6 hours