M2 through A William Optics 81mm APO refractor with an Altair Quadband filter and an Altair Hypercam 533C OSC 14 bit CMOS camera. 20 x 3 minute RAW exposures captured with AstroDMx Capture. Calibrated, debayered and stacked in PixInsight with SPCC; further processing in Gimp and GraXpert.
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M2
Steve Wainwright and Nicola Mackin
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