Messier 68

Posted by dcrowson
on Sunday, May 31, 2015

M68 (NGC 4590) is a Shapley-Sawyer class X (http://en.wikipedia.org/wiki/Shapley%E2%80%93Sawyer_Concentration_Class) globular cluster located approximately 38,000 light-years away in Hydra.

Luminance – 12x600s – 120 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2

240 minutes total exposure – 4 hours

Imaged May 11th and 18th, 2015 at the Danville Conservation Area (New Florence, Missouri) with a SBIG ST-8300M on an Astro-Tech AT90EDT at f/6.7 603mm.

LRGB - https://www.flickr.com/photos/dcrowson/18310820522/sizes/l

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