Object: Rosette Nebula NGC2237 Date: 07.02.08 Location: Oberes Schlierental 1450m ü. M. SQM: 21.34m/s2 at 21.25UTC by -6°C 21.50m/s2 at 23.05UTC by -7°C 21.51m/s2 at 23.59UTC 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 90°USZ with Reducer Exposure: 15 x 362s, total 90minutes |
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