Object: Helix Nebula NGC7293 in H-alpha Date: 20.09.2007 Location: Oberes Schlierental 1450m ü. M. SQM: 21.52m/s2 at 22:30UTC 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 6°C Flat Frame: Master-Flat at 0°USZ with Paracorr Exposure: 11 x 362s, total 66minutes |
Object: Helix Nebula NGC7293 in OIII Date: 20.09.2007 Location: Oberes Schlierental 1450m ü. M. SQM: 21.65m/s2 at 23:45UTC 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 3°C Flat Frame: Master-Flat at 0°USZ with Paracorr Exposure: 10 x 362s, total 60minutes |
Object: Helix Nebula NGC7293 in SII Date: 20.09.2007 Location: Oberes Schlierental 1450m ü. M. SQM: 21.67m/s2 at 24:10UTC 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 3°C Flat Frame: Master-Flat at 0°USZ with Paracorr Exposure: 11 x 362s, total 66minutes |
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