M14

M14 (NGC 6402 and others) is a Shapley-Sawyer class VIII (http://en.wikipedia.org/wiki/Shapley%E2%80%93Sawyer_Concentration_Class) globular cluster located approximately 30,300 light-years away in Ophiuchus.

Luminance – 25x300s – 125 minutes – binned 2x2
RGB – 29:35:32x300s – 145:175:160 minutes each – binned 2x2

605 minutes total exposure – 10 hours 5 minutes

Imaged over seven nights in April and May, 2025 at the El Sauce Observatory (Rio Hurtado, Chile) with a QHY 600M on a PlaneWave CDK24 at f/6.5 3974 mm.

LRGB - https://www.flickr.com/photos/dcrowson/54508562438/sizes/l

These are Telescope Live (https://telescope.live/) “One-Click Observations.”