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Sadr Region in Cygnus, captured in Ha.


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Widefield view of the Sadr Region of Cygnus captured in H-Alpha with Astrodon 3nm Ha filter. Just under 3 hours total integration captured in the early hours of 7th June. Processed in PixInsight. Calibrated with darks and flats, star aligned and stacked (Image Integration). Post-processed using ABE (Automatic Background Extraction) to remove the background gradient resulting from a very bright moon then stretched using HistogramTransformation (levels). Finally the image was scaled for posting here.


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