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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