Barnard 201 appears to be a nondescript nebula located about a degree away from NGC 864 and 869 – the double cluster – in Perseus.
There appears to be a lot of dust in the foreground. The thickest clouds are cataloged in the Planck Galactic Cold Clump (PGCC) catalog - https://www.aanda.org/articles/aa/pdf/2016/10/aa25819-15.pdf.
Luminance – 53x600s – 530 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
650 minutes total exposure – 10 hours 50 minutes
Imaged October 6th, 7th and 8th, 2021 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/51687338901/sizes/l/