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David Rosenthal | all galleries >> Astrophotography >> Published > M13
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04.28.2008 David Rosenthal

M13

Midland Park, NJ

Published in Sky & Telescope's Photo Gallery

Modified 400D,8 inch SCT @ f/8
34*240 second ISO 400 exposures. Taken between 12:30 and 3:10 AM EST
Atlas EQ-G PHD guided with a 66SD + DSI Pro I
Calibrated [30B|30D|30F] and Sigma Clip combined in MaximDL 5
Processed in PSCS3 with GXT and Noel Carboni's Actions full exif

other sizes: small medium large original auto
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