M10

M10 (NGC 6254 and others) is a Shapley-Sawyer class VII (https://en.wikipedia.org/wiki/Shapley%E2%80%93Sawyer_Concentration_Class) globular cluster located approximately 14,300 light-years away in Ophiuchus.

Luminance – 4x300s – 20 minutes – binned 2x2

RGB – 5:4:5x300s – 25:20:25 minutes each – binned 2x2

90 minutes total exposure – 1 hour 30 minutes

Imaged April 11th, 2021 at the IC Astronomy Observatory (Spain) with a FLI PL16083 on a Officina Stellare ProRC 700 at f/8 5600 mm.

This data is from Telescope Live (https://telescope.live/) “One-click Observations.”

LRGB - https://www.flickr.com/photos/dcrowson/52982204820/sizes/l/