Object: Stephans Quintett Date: 08.09.08 Location: Oberes Schlierental 1450m ü. M. SQM: 21.62m/s2 at 01.25UTC/09.09.08 Telescope: Astrooptik Keller Cassegrain 400mm f/9 Mount: ALT-7 Autoguiding: Second chip in SBIG ST-2000XCM Camera: SBIG ST-2000XCM Dark Frame: -20°C Exposure: 10 x 480s + 2 x 720s, total 104minutes |
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