Cresent Nebel NGC6888
Object: Cresent Nebula NGC6888
Date: 09.07.08
Location: Oberes Schlierental 1450m ü. M.
SQM: 21.53m/s2 at 23.05UTC by 7°C
Telescope: Vixen ED115mm Reducer f/5.2
Mount: ALT-7
Autoguiding: SBIG STV
Camera: Canon EOS 20Da
ISO speed: 1600
Dark Frame: Master-Dark at 7°C
Flat Frame: Master-Flat at 0°USZ with Reducer
Exposure: 16 x 362s, total 96minutes
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