van den Bergh 9 (V* SU Cas, DG 10, LBN 643 and others) consists of the star and reflection nebulosity located in Cassiopeia. The dark nebulae on the left (east) is cataloged as LBN 1355 and 1357.
Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
360 minutes total exposure – 6 hours
Imaged September 9th and 10th, 2018 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/29788110747/sizes/l