Whirlpool M51 + NGC5195
Object: Whirlpool M51+NGC5195
Date: 20.02.2007
Location: Oberes Schlierental 1450m ü. M.
SQM: 21.41m/s2 at 21:58UTC
Telescope: Meade Schmidt-Newton 254mm f/4
Mount: ALT-7
Autoguiding: SBIG STV
Camera: Canon EOS 20Da
ISO speed: 1600
Dark Frame: Master-Dark
Flat Frame: Master-Flat
Exposure: 24 x 5minutes, total 120minutes
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