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



    
        

            Albert Paluet
M81
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M81

Technical card

Imaging telescopes or lenses: newton 200x800

Imaging cameras: apn 1000d astrodon

Mounts: neq6

Guiding telescopes or lenses: lunette 80x400

Guiding cameras: starshoot autoguider

Focal reducers: mpcc baader

Software: phd guiding;iris;photoshop cs2


Dates:April 20, 2014

Frames: 21x300" (1h 45')

Integration: 1h 45'

Avg. Moon age: 20.18 days

Avg. Moon phase: 70.35%


Basic astrometry details

Astrometry.net job: 225412

RA center: 09h55m44s.2

DEC center: +69°1756

Pixel scale: 1.452 arcsec/pixel

Orientation: 82.157 degrees

Field radius: 0.631 degrees


Resolution: 620x414

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M81, 



    
        

            Albert Paluet