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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