Object: Galaxy NGC7331
Date: 05.08.08
Location: Oberes Schlierental 1450m ü. M.
SQM: 21.58m/s2 at 23:59UTC
Telescope: Astrooptik Keller Cassegrain 400mm f/9
Mount: ALT-7
Autoguiding: SBIG STV
Camera: Canon EOS 20Da
Dark Frame: automatically
Exposure: 362s (only one frame)
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