Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent Nebula  ·  NGC 6888  ·  Sh2-105
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NGC 6888 Crescent Nebula #3, 



    
        

            Molly Wakeling
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NGC 6888 Crescent Nebula #3

Getting plate-solving status, please wait...
NGC 6888 Crescent Nebula #3, 



    
        

            Molly Wakeling
Powered byPixInsight

NGC 6888 Crescent Nebula #3

Equipment

Imaging Telescopes Or Lenses
Celestron C11
Imaging Cameras
Nikon D5300
Mounts
Celestron CGE Pro
Software
Adobe Photoshop · Luc Coiffier DeepSkyStacker (DSS)
Guiding Telescopes Or Lenses
Borg 76ED
Guiding Cameras
QHYCCD QHY5

Acquisition details

Dates:
July 19, 2017
Frames:
12x420" (1h 24') ISO1600
Integration:
1h 24'
Darks:
12
Flats:
20
Bias:
20
Avg. Moon age:
25.06 days
Avg. Moon phase:
20.95%
Bortle Dark-Sky Scale:
3.00
Mean SQM:
21.94
Temperature:
13.80

RA center: 20h12m12s.330

DEC center: +38°2416.91

Pixel scale: 0.284 arcsec/pixel

Orientation: -111.734 degrees

Field radius: 0.287 degrees

More info:Open 

Resolution: 6016x4016

File size: 25.1 MB

Locations: Green Bank Star Quest, Green Bank, WV, United States

Data source: Traveller

Description

First image from the Green Bank Star Quest: the Crescent Nebula! This is my third attempt at it and by far the best one, since the sky was soooooo dark.

Also known as NGC 6888, this is an emission nebula that lies about 5,000 lightyears away, in the constellation of Cygnus, the swan. It might look like a supernova remnant, but it's actually the fast stellar wind from Wolf-Rayet star WR 136 colliding with its own ejected gas from its red giant phase some hundreds of thousands of years ago.

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NGC 6888 Crescent Nebula #3, 



    
        

            Molly Wakeling