29 x 5 minute exposures of the Seagull nebula, captured with AstroDMx Capture through a William Optics 81 mm ED APO refractor with an Altair Hypercam 533C 14 bit OSC CMOS camera with an Altair quadband filter. Stretched with unlinked channels and linked channels.
The data were debayered, calibrated, stacked and SpectroPhotometric Color Corrected and stars removed in PixInsight plus Hubble palette from OSC image; post processed in the Gimp 2.10, Background extraction, initial denoising and stretching in GraXpert and SetiAstro's Cosmic Clarity for sharpening and final denoising.
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AstroDMx Capture capturing RAW data
The Seagull nebula
SHO rendering
Linked channels
Unlinked channels
Blend of linked and unlinked channels
Steve Wainwright and Nicola Mackin
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