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IC 5146 Cocoon (20Da-5in f6).jpg
Stack of two 12-minute exposures at f/6 with 5-inch apo refractor. Canon 20Da camera at ISO800. LENR employed in camera. Noise Ninja applied to both images. B&C and Levels adjusted to increase contrast, and Black level increased in Selective Color to darken sky. No other color shift employed.