Object: Whirlpool M51+NGC5195 Date: 23.05.2007 Location: Oberes Schlierental 1450m ü. M. SQM: 21.38m/s2 at 01.00UTC Telescope: Meade Schmidt-Newton 254mm f/4 Mount: ALT-7 Autoguiding: SBIG STV Camera: Bitran BJ-42L Dark Frame: Master-Dark Flat Frame: Master-Flat Exposure: 8 x 5min, total 40minutes |
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