Friday, March 22, 2019   
Astrophotography Gallery > Star Clusters > Globular Cluster M22
Date: Saturday, August 10, 2013
Location: Ahwahnee Hills Observatory, California
Messier 22, also catalogued as NGC6656, is a bright elliptical globular cluster in the constellation Sagittarius. It lies at a distance of approximately 10,600 light years from Earth.
Mount: Celestron CGEM (Hypertuned)
Camera: Canon 60D (Stock)
Scope/Lens: Orion Astrograph 8" f/3.9 Newtonian
Guide Scope: Orion ST 80mm f/5 Refractor
Guide Camera: Orion Starshoot Autoguider
Exposure #1 (RGB):
   36 x 45 Seconds @ ISO 800, f/3.9
   15 Darks, 40 Flats/Dark Flats/Bias

Integration: 0 Hours, 27 Minutes, 0 Seconds
Processing: BackyardEOS, PHD, DeepSkyStacker, Adobe Photoshop CS6
(Click Image to View Original Full Size)
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