Object: Horse Head Nebula B33 Date: 26.11.08 Location: Oberes Schlierental 1450m ü. M. Telescope: Astrooptik Keller Cassegrain 400mm f/9 Mount: ALT-7 Autoguiding: Second chip in SBIG STL-11000M Camera: SBIG STL-11000M Filter: Astronomik H-alpha 6nm Dark Frame: -30°C Exposure: 7x600s, total 70minutes H-alpha |
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