Omega Centauri (NGC 5139, Caldwell 80 and others) is the largest globular cluster in our galaxy. It is estimated to contain 10 million stars. Shining at a bright 3.9 magnitude, it is located approximately 15,800 light-years away in Centaurus.
Luminance – 10x300s – 50 minutes – binned 1x1
RGB – 12:10:11x300s – 60:50:55 minutes each – binned 1x1
215 minutes total exposure – 3 hours 35 minutes
Imaged June 29th, July 7th and 28th, 2021 at the El Sauce Observatory (Rio Hurtado, Chile) with a FLI PL 9000 on a PlaneWave CDK24 at f/6.5 3974 mm.
This data is from Telescope Live (https://telescope.live/) “One-click Observations.”
LRGB - https://www.flickr.com/photos/dcrowson/52200401692/sizes/l/
See my refractor image when it was less than 10 degrees above the horizon in New Mexico – https://www.flickr.com/photos/dcrowson/24296096473.