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William Shaheen | all galleries >> Astronomy >> Astro Images by Subject > M104 - Sombrero Galaxy 28-Apr-2009
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M104 - Sombrero Galaxy 28-Apr-2009

M104 - Sombrero Galaxy 28-Apr-2009

6 - 10 min. exposures at Gain 1, Offset 100. TEC-140 (980mm, f/7) and no focal reducer, yielding 980mm, f/7; Q453HR color CCD camera. No darks, no bias frames and no flat frames applied. Post processing: Bad Pixel removal in Nebulosity2; stacked and DDP in ImagesPlus 3.75; color balance and curves in Nebulosity2. Final contrast and slight sharpening in ThumbsPlus. Image cropped from original of 3040 x 2016 to 1280 x 1024.

20090428_M104_CombAdpAdd-DDP-adjcr.jpg


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