Object: Galaxy NGC891 Date: 13.09.07 Location: Oberes Schlierental 1450m ü. M. SQM: 21.51m/s2 at 23.17UTC by 8°C 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: 13 x 362s, total 78minutes |
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