Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent Nebula  ·  IC 4996  ·  NGC 6888  ·  The star 28Cyg  ·  The star 29Cyg  ·  The star 34Cyg  ·  The star 36Cyg
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Crescent Nebula - NGC 6888, 



    
        

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Crescent Nebula - NGC 6888
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Crescent Nebula - NGC 6888

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Crescent Nebula - NGC 6888, 



    
        

            Grzegorz Łysik
Crescent Nebula - NGC 6888
Powered byPixInsight

Crescent Nebula - NGC 6888

Technical card

Imaging telescopes or lenses: William Optics 73mm Zenithstar

Mounts: SkyWatcher EQ5 Goto

Guiding cameras: ZWO ASI120MM-S

Focal reducers: William Optics Flat 73A

Software: Deep Sky Stacker 4.2.3 64bit  ·  Adobe Photoshop CC,


Dates:May 4, 2021

Frames:diverse Filter für Mond- und Planetenfotografie: 47x8" (6' 16") ISO800

Integration: 6' 16"

Darks: 25

Flats: 30

Bias: 30

Avg. Moon age: 22.81 days

Avg. Moon phase: 42.94%

Bortle Dark-Sky Scale: 5.00

Temperature: 14.00


Basic astrometry details

Astrometry.net job: 4509192

RA center: 20h12m33s

DEC center: +38°2100

Pixel scale: 2.433 arcsec/pixel

Orientation: 89.055 degrees

Field radius: 2.690 degrees


Resolution: 6693x4311

Data source: Backyard

Description

The Crescent Nebula (also known as NGC 6888, Caldwell 27, Sharpless 105) is an emission nebula in the constellation Cygnus)

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Crescent Nebula - NGC 6888, 



    
        

            Grzegorz Łysik