NGC 6749 (Berkeley 42) is a Shapley-Sawyer class XII (http://en.wikipedia.org/wiki/Shapley%E2%80%93Sawyer_Concentration_Class) globular cluster located approximately 5,935 light-years away in Aquila.
Luminance – 26x600s – 260 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
380 minutes total exposure – 6 hours 20 minutes
Imaged eight nights in May and June, 2021 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/51240171230/sizes/l/