Object: Galaxy M82 Date: 30.01.09 Location: Oberes Schlierental 1450m ü. M. SQM: 21.91m/s2 at 02:45UTC by -9.5°C Telescope: Astrooptik Keller Cassegrain 400mm f/9 Mount: ALT-7 Autoguiding: Second chip in SBIG STL-11000M Camera: SBIG STL-11000M Filter: Luminance, Red, Green, Blue, H-alpha (28.02.09) Dark Frame: -30°C Exposure: 8x600s Luminance, 3x900s+600s H-alpha, every 2x600s RGB, total 195minutes |
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