NGC 2403 is an intermediate (between barred and unbarred) spiral galaxy approximately 8 million light-years away in Camelopardalis.
Luminance – 18x600s – 2180 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
300 minutes total exposure – 5 hours
Imaged February 5th and 11th, 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/26311641465/sizes/l