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10 x 15 minutes, SV80S @ f/4.8, Atik ATK-16 camera, Schuler 9nm filter, darks subtracted July 2007
9 x 10 minutes, SV80S @ f/6, Atik ATK-16 camera, Schuler 9nm filter, bias and darks subtracted June 2008
Seeing was pretty soft and the marine layer moved in cutting my exposure short.....still, its a keeper.