Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent Nebula  ·  NGC 6888  ·  The star 34Cyg  ·  The star 40Cyg  ·  The star Sadr (γCyg)
Gamma Cygni & Crescent Nebula, chrislinyy
Gamma Cygni & Crescent Nebula
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Gamma Cygni & Crescent Nebula

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)
Gamma Cygni & Crescent Nebula, chrislinyy
Gamma Cygni & Crescent Nebula
Powered byPixInsight

Gamma Cygni & Crescent Nebula

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

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Description

Sub-exposures are acquired by Telescope.live remote observatory, hosted at IC Astronomy in Spain.

This is a LRGB rendition of the Sadr region, including IC1318 (Gamma Cygni Nebula/Butterfly Nebula), NGC6888 (Crescent Nebula) and some other associating nebulosity.

Post-processing is kept simple: AutoColor, HistogramTransformation, SCNR, LocalHistogramEqualization and UnsharpMask are applied in that order to RGB and L images independently in PixInsight then merged together with LRGBCombination. Finally EZ Star Reduction script is used to shape the star better and reduce some color halo.

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Gamma Cygni & Crescent Nebula, chrislinyy