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Robert Starzynski | all galleries >> Bob Starzynski Astro Imaging >> Star Clusters > M13 Globular Star Cluster in Hercules
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M13 Globular Star Cluster in Hercules

Orion 190mm Maksutov-Newtonian Astrograph
Celestron CGE ST-4 guided
Modified Canon XT no filters
108*105 second 800iso sub exposures.
Calibration and DDP In ImagesPlus
Post processing in PSCS


other sizes: small medium large original auto
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