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10 - 6 min. subs @ ISO800. TEC-140 with the AP 27TVPH .75x reducer, f/5.4 (760mm), Nikon D50
(modified), Baader uv/ir filter. 10 darks, 6 bias frames, 6 flats.
Temperature appox. 50 deg. F.
200080301_Markarian-CombAdpAdd_Neat-adj.jpg
All images copyright William J. Shaheen, unless otherwise noted. Do not use or distribute without prior consent.