NGC 3675 (UGC 6439, PGC 35164 and many others) is a flocculent spiral located approximately 60 million light-years away in Ursa Major.
Luminance – 28x600s – 280 minutes – binned 1x1
RGB – 16:12:14x300s – 80:60:70 minutes each – binned 2x2
490 minutes total exposure – 8 hours 10 minutes
Imaged May 11th and 12th, 2021 and January 26th and 27th, 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/51864185546/sizes/l/