NGC 6885 (Caldwell 37 and others) is a trumpler class III 2 p open cluster located approximately 1,950 light-years away in Vulpecula. This one also appears to be cataloged as NGC 6882. There are also two Collinder designations that appear to be reversed. Stephen James O’Meara’s Deep-Sky Companions: The Caldwell Objects has more information. Google leads me here - https://books.google.com/books?id=MMfxDAAAQBAJ&pg=PA172&lpg=PA172&dq=ngc+6885+trumpler#v=onepage&q=ngc%206885%20trumpler&f=false .
Luminance – 15x600s – 150 minutes – binned 1x1
RGB –8x300s – 40 minutes each – binned 2x2
270 minutes total exposure – 4 hours 30 minutes
Imaged from Dardenne Prairie, Missouri (a red zone) on July 11th, 2018 with a SBIG ST-8300M on an Astro-Tech AT90DT at f/6.7 603mm.
LRGB - https://www.flickr.com/photos/dcrowson/42505409845/sizes/l