Sh2-127 (LBN 436 and others) is a HII region located approximately 42,000 light-years away (https://iopscience.iop.org/article/10.1088/0067-0049/221/2/26/pdf) in Cygnus.
Luminance – 24x600s – 240 minutes – binned 1x1
Ha – 24x1800s – 720 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
360 minutes total exposure – 6 hours – LRGB
840 minutes total exposure – 14 hours - HaRGB
1080 minutes total exposure – 18 hours
Imaged over nine nights in August, October and November, 2019 and September, 2020 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/50602758717/sizes/l/
HaRGB - https://www.flickr.com/photos/dcrowson/50602759182/sizes/l/