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M31 Globulars Luminance

M31   Globulars   Luminance

The November 2013 Sky & Telescope contained an article called “Exploring Messier 31” in Alan Whitman’s Going Deep column. Having recently imaged M31, I figured it might be neat to identify as many as I could in my image. Using the online version of Paul W. Hodge’s “Atlas of the Andromeda Galaxy” - http://ned.ipac.calt...las/frames.html and Robert Gendler’s Globular Clusters of M31 image, I was able to identify 231.

M31 Globulars – http://www.flickr.co...967314/sizes/l/

Be sure to look at the full size version.

Original image description below.

The Andromeda Galaxy (M31 or NGC 224) is a large, bright spiral galaxy approximately 2.5 million light-years away.

Two frame mosaic with each panel containing:

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

480 minutes total exposure – 8 hours

Imaged October 8th, 2013 at the Danville Conservation Area (New Florence, Missouri) with a SBIG ST-8300M on an Astro-Tech AT90EDT at f/6.7 603mm.

LRGB - http://www.flickr.co...847304/sizes/l/

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