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Wednesday, September 8, 2010
NGC 613, barred spiral galaxy in southern constellation Sculptor.
Distance is about 65 million light years. Image is a broadband LRGB-composition.
This target has a smallish angular diameter, about
16" RCOS ja Apogee U9000 camera.
9x600s for the Luminance and 1x600s / RGB-channel . Dark and Flat calibrated.
Raw data is shared by Petri Kehusmaa and J-P Metsavainio
Image acquisition, MaxiDL v4.xxx
Stacked and calibrated in CCDStack.
Deconvolution with a CCDSharp, 30 iterations.
Levels, curves and color combine in PS CS3.