NGC7331 Vergleich STL-11000M + Canon EOS 20Da
Object: Galaxy NGC7331
Date: 04.10.08
Location: Oberes Schlierental 1450m ü. M.
SQM: 21.27m/s2 at 22.30UTC by -5°C
Telescope: Astrooptik Keller Cassegrain 400mm f/9
Mount: ALT-7
Autoguiding: Second chip in SBIG STL-11000M
Camera: SBIG STL-11000M
Dark Frame: -20°C
Exposure: 6x600s, total 60minutes
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Letzte Änderungen: 9. Oktober 2008, Webmaster