Sh2-106 is a small nebula (originally thought to be a planetary) located approximately 5,500 light-years away in Cygnus.
Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
360 minutes total exposure – 6 hours
Imaged June 28th, 29th and August 21st, 2017 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/25009283197/sizes/l
See my wider image here - https://www.flickr.com/photos/dcrowson/24990842047.
I captured 12 hours of Ha data but found the luminance added more to the image.