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Cygnus Loop OIII wide-field

Gina

By Gina
in Imaging - Deep Sky

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Gina

Gina

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Captured on the night of 21st September 2012 with widefield camera with 200mm f3.5 lens and OIII clip filter. 13 lights of 450s at ISO 1600 and 20C (no cooling on this camera yet). Stacked in DSS with darks and bias frames but no flats. Cropped, changed to greyscale and processed in PS resized and saved as PNG for here. To be added to the Ha later for colour pic.

post-13131-0-94676900-1348433875_thumb.p

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