Flickr-Crescent_Nebula_V1-Edit-August 13, 2020

Crescent Nebula (NGC 6888), 08/04/2020

 

 

This is the Crescent Nebula, an emission nebula in the constellation of Cygnus. It is about 5000 light-years from earth, that is pretty close all things considered. Do you see that bright star in the middle of the nebula? That star is energizing the gas that was blown off into space when the star became a red giant. This left behind gas, absorbs the star light and then emits its own faint light that my camera is able to see.

 

Equipment:

RASA 8

CGEM-dx mount

ZWO ASI294MC-Pro

ZWO Asiair Pro

Optolong L-eHhance filter

 

Details:

Location – My back yard in Tacoma WA

Bortle Class 8

Gain 120

43 300-second Lights

60 Darks

60 Bias

60 Flats

Astro Pixel Processor

Lightroom

Photoshop

 

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Done