NGC 4145 (PGC 38693, UGC 7154 and others) is a barred spiral located approximately 62 million light-years away in Ursa Major.
Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
360 minutes total exposure – 6 hours
Imaged May 21st, 22nd, 23rd and 24th, 2022 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/52168817451/sizes/l/