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adam stuart | all galleries >> Galleries >> globular_star_clusters > Copy of m56 green stackedcorrected.jpg
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8-12-06 adam stuart

Copy of m56 green stackedcorrected.jpg

Miami, FL

Globular Star Cluster M56

Starlight Xpress HX916,2.88 arc-sec/pixel
Stellarvue Nighthawk @ f/6 piggybacked on STV-guided LX200 at 1575 mm; Astronomik Type II Green filter, 24 x 120 seconds, unbinned 1x1. Acquired with Astroart 3.0; aligned in AIP4WIN 1.4; sigma combined in Ray Gralak's pre-beta 11. 84 F*, 76% humidity,; very cloudy. full exif

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