Great Globular Cluster in Hercules

Great Globular Cluster in Hercules

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Image Date: 04/30/2006
Details: Exposure Time: 1.5 hours, 25 min Lum, 20 min each RGB
Camera: SBIG  STL11000
Telescope: RC Optical  Carbon 12.5 inch f/9 Ritchey-Chretien
Mount: Software Bisque  Paramount ME

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