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The Iris Nebela NGC 7023


August 15/16, 2009 starting from 20:41 UT and August 18/19, 2009 starting from 20:38 UT, FFC 3.5/500 mm, 11x10 minutes and 13x12 minutes, ISO 800, IDAS LPS, Hutech EOS 40D, Bad Tölz and Sölden (Austria)
1000 x 621
2000 x 1243