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2011: Messier 13; The Great Hercules Cluster 

Image details
Date: May 3, and  4, 2011
Exposure: 5 hours 30 min (19 + 36x 5 min), ISO 1600, 18 Darks, 20 Bias, and 20 Flats

Exposure Core: 36 min (36x 1 min), ISO 1600, 18 Darks, 20 Bias, and 20 Flats
Telescope: 8" Skywatcher Newton @F/5 with MPCC 
Mount: NEQ6-pro, controled by EQmod/CdC, guided by  QHY5/9x50 Finder Guider/PHD
Camera: Peltier-cooled Canon 350Da 
Location: Emmen, The Netherlands

High resolution: (2,26 Mb)

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