Object: Galaxy M101 Date: 14.03.2007 Location: Oberes Schlierental 1450m ü. M. SQM: 21.60m/s2 (low fog) at 21.00UTC Telescope: Meade Schmidt-Newton 254mm f/4 Mount: ALT-7 Autoguiding: SBIG STV Camera: Canon EOS 20Da ISO speed: 1600 Dark Frame: Master-Dark at 0°C Flat Frame: Master-Flat Exposure: 20 x 5minutes, total 100minutes |
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