Wunder des Weltalls

NGC 6946 - Face-on Spiral in Cepheus/Cygnus

Fotograf: Anthony Ayiomamitis

Reduction, two-star manual registration/alignment, average-combine, colour balance for QE with adjustment for atmospheric extinction, DDP, background normalization, RGB combine, levels/curves, saturation, luminance layering, slight unsharp masking, despeckle, 16- to 8-bit conversion

Further details etc at http://www.perseus.gr/Astro-DSO-NGC-6946.htm
Komplettes Bild anzeigen

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B159 - Barnard Dark Nebula in Cygnus

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NGC 7635 - Bubble Nebula in Cas

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IC 1396A - Elephant Trunk Nebula in Cepheus

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