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



    
        

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M81 and M82
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M81 and M82

Technical card

Imaging telescopes or lenses: AstroTech AT111

Imaging cameras: Canon T3i Full Spectrum

Mounts: AstroPhysics mach1 GTO

Guiding telescopes or lenses: Stellarvue SV F60M3

Guiding cameras: Starlight Xpress CoStar

Focal reducers: AstroTech AT2FF Field Flattener

Software: PHD2 Guiding  ·  Pixinsight 1.8  ·  Nebulosity 3.2  ·  SkySafari sky safari


Dates:Jan. 17, 2015

Frames: 20x100"

Integration: 0.6 hours

Avg. Moon age: 26.15 days

Avg. Moon phase: 12.38%


Basic astrometry details

Astrometry.net job: 869255

RA center: 9h 55' 28"

DEC center: +69° 13' 40"

Pixel scale: 1.140 arcsec/pixel

Orientation: 87.426 degrees

Field radius: 0.923 degrees


Resolution: 620x402

Locations: Home, Sudbury, Massachusetts, United States

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    Original
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    M81 and M82, 



    
        

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M81 and M82, 



    
        

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