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4 - 12 min. exposures at -10 deg. C. Gain 12%, Offset 100. TEC-140 (980mm, f/7) with the AP 27TVPH .75x reducer, yielding 760mm, f/5.4; Q285-M monochrome camera, Baader uv/ir filter. 24 darks, 24 bias frames and 10 flat frames applied. All processing in IP using IP 3.75 beta 2.
20081118-1123_M01-CombDDP.fit
All images copyright William J. Shaheen, unless otherwise noted. Do not use or distribute without prior consent.