NGC 6752 (Caldwell 93) is a Shapley-Sawyer class VI (http://en.wikipedia.org/wiki/Shapley%E2%80%93Sawyer_Concentration_Class) globular cluster located approximately 13,000 light-years away in Pavo. This one is fourth-brightest globular and at magnitude 5.4, can be seen naked eye in the southern hemisphere.
Luminance – 13x600s – 130 minutes – binned 1x1
RGB – 12:10:12x600s – 120:100:120 minutes – binned 1x1
470 minutes total exposure – 7 hours 50 minutes
Imaged over ten nights from July 10th, 2021 through July 29th, 2022 at the El Sauce Observatory (Rio Hurtado, Chile) with a FLI PL 9000 on a PlaneWave CDK24 at f/6.5 3974 mm.
LRGB - https://www.flickr.com/photos/dcrowson/52252723241/sizes/l/
This is a Telescope Live (https://telescope.live/) “One-Click Observation.”