Object: Galaxy NGC4725 Date: 03.02.08 Location: Oberes Schlierental 1450m ü. M. SQM: 21.45m/s2 at 01.50UTC by -11°C Telescope: Vixen ED115mm f/7.7 Mount: ALT-7 Autoguiding: SBIG STV Camera: Canon EOS 20Da ISO speed: 1600 Dark Frame: no Master-Dark at -11°C Flat Frame: Master-Flat at 0°USZ Exposure: 8 x 483s, total 64minutes |
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