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12 - 12 min. subs @ ISO800. TEC-140 with no focal reduction, f/7 (980mm), Nikon D50
(IR modified), Baader uv/ir filter. 9 darks, 9 bias frames, 32 flats.
Temperature approx. 45 deg. F.
20081230_Horsehead-CombExcAvg-DDP-adjNeb2.tif
All images copyright William J. Shaheen, unless otherwise noted. Do not use or distribute without prior consent.
Max Oelschlaeger | 02-Jan-2009 11:54 | |