Galaxien NGC2402+UGC3891B bei 400mm f/9 mit STL-11000M
Object: Galaxies NGC2402+UGC3891B
Date: 17.03.09
Location: Oberes Schlierental 1450m ü. M.
SQM: 21.80m/s2 at 21:40UTC by -2°C
Telescope: Astrooptik Keller Cassegrain 400mm f/9
Mount: ALT-7
Autoguiding: Second chip in SBIG STL-11000M
Camera: SBIG STL-11000M
Filter: Luminance
Dark Frame: -30°C
Exposure: 7x600s Luminance, every 1x600s RGB, total 70minutes
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