Quadruplet APO 65/420mm mit ALccd8L | 450s | -10°C | 6.7.2013 | 22 lights, 20 darks, 50 flats, no offsets | Location: 47°02’25” N, 8°13’27” E, 480m ü.M.
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Quadruplet APO 65/420mm mit ALccd8L | 450s | -10°C | 6.7.2013 | 22 lights, 20 darks, 50 flats, no offsets | Location: 47°02’25” N, 8°13’27” E, 480m ü.M.
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