Object: Crab-Nebula M1 Date: 14.12.2006 Location: Oberes Schlierental 1450m ü. M. SQM: 21.18m/s2 at 23:45UTC Telescope: Meade Schmidt-Newton 254mm mit Barlow 2x f/8 Mount: ALT-7 Autoguiding: SBIG STV Camera: Canon EOS 20Da ISO speed: 1600 Dark Frame: automatically Filter: OIII Exposure: total 40minutes |
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