Object: Crab-Nebula M1 Date: 13.12.2006 Location: Oberes Schlierental 1450m ü. M. SQM: 21.21m/s2 at 23:00UTC 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: H-alpha Exposure: total 51minutes

Object: Crab-Nebula M1 Date: 13.12.2006 Location: Oberes Schlierental 1450m ü. M. SQM: 21.21m/s2 at 23:00UTC 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: SII Exposure: total 40minutes

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