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North America Nebula and Pelican Nebula

Scope: Sharpstar 61EDPHII w/0.8x flattener/reducer, Optolong CLS-CCD filter

Imaging camera: ZWO ASI071MC Pro

Rig: AVX mount, Orion 50mm guide scope, ZWO ASI178MC guide cam, PHD2 guiding

Acquisition: Sequence Generator Pro 1x2 frame mosaic, each frame of the mosaic 30x480s captures at Gain 240, offset 65

Stacking: DSS in Mosaic mode, Kappa-Sigma clipping 2, iterations 10

Final processing: Photoshop - stretch levels, curves, color balance to remove green cast, sharpen, contrast enhancement

#astrophotography #ngc #hydrogenalpha #dso

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Sadr and Crescent by HiddenAcres

#astrophotography #hydrogenalpha

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