Tuesday, November 20, 2018   
 
Astrophotography Gallery > Star Clusters > Globular Cluster M28
Date: Saturday, August 10, 2013
Location: Ahwahnee Hills Observatory, California
 
Globular Cluster M28, also catalogued as NGC6626, is a globular cluster in Sagittarius. It lies at a distance of approximately 17,900 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):
   27 x 45 Seconds @ ISO 800, f/3.9
   15 Darks, 40 Flats/Dark Flats/Bias

 
Integration: 0 Hours, 20 Minutes, 15 Seconds
 
Processing: BackyardEOS, PHD, DeepSkyStacker, Adobe Photoshop CS6
(Click Image to View Original Full Size)
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