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adam stuart | all galleries >> Galleries >> globular_star_clusters > m13 lum.jpg
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6-23-06 adam stuart

m13 lum.jpg

miami, fl

Globular Star Cluster M13

Starlight Xpress HX916,2.88 arc-sec/pixel
Stellarvue Nighthawk @ f/6 (480 mm) piggybacked on LX200, guided by SBIG STV at 1575 mm. Astronomik Type II IR-blocked clear filter. Luminance = 30 x 80 seconds, unbinned 1x1. Acquired with Astroart 3.0. full exif

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