Hexenkopfnebel IC2118
Object: Witch Head Nebula IC2118
Date: 07.01.08
Location: Oberes Schlierental 1450m ü. M.
SQM: 21.26m/s2 at 22.10UTC by -2°C
SQM: 21.29m/s2 at 22.55UTC by -3.5°C
SQM: 21.36m/s2 at 23.40UTC by -4.5°C
SQM: 21.41m/s2 at 23.59UTC by -5°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 -5°C
Flat Frame: Master-Flat at 0°USZ with Reducer
Exposure: 25 x 362s, total 150minutes
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