Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent Nebula  ·  NGC 6888
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Crescent Nebula and Cygnus gas, vercastro
Crescent Nebula and Cygnus gas
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Crescent Nebula and Cygnus gas

Getting plate-solving status, please wait...
Crescent Nebula and Cygnus gas, vercastro
Crescent Nebula and Cygnus gas
Powered byPixInsight

Crescent Nebula and Cygnus gas

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Description

The Crescent Nebula (NGC 6888) with surrounding Cygnus nebula.
William Optics Zenithstar 81 w/ Flat6AIII, Optolong L-eXtreme, ZWO ASI533MC-Pro (imaging), ZWO ASI120mm (guiding), Explore Scientific Exso2-GT PMC8

31.4 hours (stacked best 66%)

Stacked in PixInsight with WBPP
Split RGB Channles, Linearfit, Red=Ha, Blue*0.3+Green*0.7=Oiii
Starless: Starnet2, NoiseX, UnsharpMask, GHS, Curves, HOO combo, Curves, HT, Color Sat, Curves.
Stars: HOO combo, Starnet2 star mask, HT stretch, SCNR, inverse SCNR, Saturation, Curves.
JimmyMath AddStars to combine stars and starless.

Darktable: watermark, color zones, velvia, color contrast, local contrast, tone curve, sharpen.

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Crescent Nebula and Cygnus gas, vercastro