Feuerradgalaxie M101
Object: Galaxy M101
Date: 14.03.2007
Location: Oberes Schlierental 1450m ü. M.
SQM: 21.60m/s2 (low fog) at 21.00UTC
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 0°C
Flat Frame: Master-Flat
Exposure: 20 x 5minutes, total 100minutes
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Letzte Änderungen: 12. April 2007, Webmaster