NGC 4559 (Caldwell 36, UGC 7766 and others) is an intermediate spiral galaxy located (based on the latest paper - https://dx.doi.org/10.3847%2f0004-6256%2f152%2f2%2f50) approximately 24.1 million light-years away in Coma Berenices. It is a member of the Coma I (https://en.wikipedia.org/wiki/Coma_I) Group.
Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
360 minutes total exposure – 6 hours
Imaged April 6th and 7th, 2019 from Dark Sky New Mexico at 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/40601759583/sizes/l