Hemisphere:  Northern  ·  Constellation: Lyra (Lyr)  ·  Contains:  IC 1296  ·  M 57  ·  NGC 6720  ·  Ring nebula in Lyra
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M57 , 



    
        

            bunyon
M57
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M57

Technical card

Imaging telescopes or lenses: Obsession Dobson 15"

Imaging cameras: ZW Optical ASI120MM

Mounts: Obsession ServoCat/Argo Navis

Software: DeepSkyStacker


Dates:June 5, 2013

Frames: 662x2"

Integration: 0.4 hours

Avg. Moon age: 26.67 days

Avg. Moon phase: 8.99%


Basic astrometry details

Astrometry.net job: 86644

RA center: 18h 53' 35"

DEC center: +33° 2' 2"

Pixel scale: 0.453 arcsec/pixel

Orientation: -107.681 degrees

Field radius: 0.093 degrees


Resolution: 1150x924

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M57 , 



    
        

            bunyon