M13, Great Globular Cluster in Hercules
Sky-Watcher Star Adventurer mount - No guiding - Canon EOS 600D unmod-Opteka 500mm Mirror Lens
7 stacked images x 30sec-darks-flats-bias, processed in DSS,resized
Exposure time [s] : 210.00
F-Number : 8.0
ISO speed ratings : 3200
Focal length [mm] : 500
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