NGC 6210 (PK 043+37 1, PN G043.1+37.7 and many others) is a planetary nebula located approximately 6,700 light-years away in Hercules.
Luminance – 39x300s – binned 1x1 – 195 minutes
RGB – 16x180s – 80 minutes each – binned 2x2
435 minutes total exposure – 7 hours 15 minutes
Imaged May 22nd and 23rd, 2022 and April 25th and 26th, 2023 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/52851529162/sizes/l/