Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034
M81 M82, 



    
        

            Rubens Menabue
M81 M82
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M81 M82

Technical card

Guiding telescopes or lenses: Sky-Watcher Black Diamond 70/500 refractor

Guiding cameras: ZW Optical ASI 120MM


Dates:June 7, 2015

Frames: 10x300"

Integration: 0.8 hours

Avg. Moon age: 19.82 days

Avg. Moon phase: 73.77%


Basic astrometry details

Astrometry.net job: 661126

RA center: 9h 56' 28"

DEC center: +69° 18' 3"

Pixel scale: 4.285 arcsec/pixel

Orientation: -75.284 degrees

Field radius: 1.066 degrees


Resolution: 1491x992

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M81 M82, 



    
        

            Rubens Menabue