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



    
        

            Jose Manuel
Messier 81
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Messier 81

Technical card

Imaging telescopes or lenses: Orion 10" f/3.9 Newtonian Astrograph

Imaging cameras: Canon EOS / Digital Rebel XT

Mounts: Celestron CG-5 Advanced GoTo

Software: Deep Sky Stacker  ·  Photo Shop


Dates:Jan. 6, 2013

Frames: 61x70" (1h 11' 10")

Integration: 1h 11' 10"

Avg. Moon age: 23.55 days

Avg. Moon phase: 35.32%


Basic astrometry details

Astrometry.net job: 88264

RA center: 9h 55' 35"

DEC center: +69° 3' 54"

Pixel scale: 3.499 arcsec/pixel

Orientation: 68.945 degrees

Field radius: 0.494 degrees


Resolution: 800x627

Locations: Candelaria Observatory, Hatillo, Puerto Rico, Puerto Rico

Description

Bode Galaxy, Messier 81 unguided

Comments

Sky plot

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Histogram

Messier 81, 



    
        

            Jose Manuel