M53 + NGC 5053

Posted by dcrowson
on Wednesday, May 24, 2017

M53 (NGC 5024 and others) at the top right is a Shapley-Sawyer class V (http://en.wikipedia.org/wiki/Shapley%E2%80%93Sawyer_Concentration_Class) globular cluster located approximately 58,000 light-years away in Coma Berenices.

NGC 5053 near the bottom left is a Shapley-Sawyer class XI (http://en.wikipedia.org/wiki/Shapley%E2%80%93Sawyer_Concentration_Class) globular cluster located approximately 57,000 light-years away in Coma Berenices.

The line at the center left edge is asteroid 130 Elektra.

Luminance – 15x600s – 150 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2

270 minutes total exposure – 4 hours 30 minutes

Imaged from Dardenne Prairie, Missouri (a red zone) on April 22nd and 23rd, 2017 with a SBIG ST-8300M on an Astro-Tech AT90EDT at f/6.7 603mm.

LRGB - https://www.flickr.com/photos/dcrowson/34023534744/sizes/l

See my recent images of M53 and NGC 5053 taken with a much larger telescope:

M53 - https://www.flickr.com/photos/dcrowson/34256810882
NGC 5053 - https://www.flickr.com/photos/dcrowson/34826532406

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