Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034  ·  NGC 3077
M81-M82, 



    
        

            Juan González Alicea
M81-M82
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M81-M82

Technical card

Imaging telescopes or lenses: Astro Tech AT72ED

Imaging cameras: Canon DSLR T3 Rebel

Mounts: CG-4

Focal reducers: Orion USA Field Flattener for Short Refractors

Software: Deep Sky Stacker, Photoshop CS6, Photoscape, Stellarium, Noiseware


Dates:Jan. 6, 2013

Frames: 1x100" (1' 40")

Integration: 1' 40"

Avg. Moon age: 23.55 days

Avg. Moon phase: 35.32%


Basic astrometry details

Astrometry.net job: 145938

RA center: 9h 57' 1"

DEC center: +69° 17' 42"

Pixel scale: 3.112 arcsec/pixel

Orientation: 85.107 degrees

Field radius: 1.062 degrees


Resolution: 620x510

Locations: Comunidad Santi, Santa Isabel, Puerto Rico, Puerto Rico

Comments

Sky plot

Sky plot

Histogram

M81-M82, 



    
        

            Juan González Alicea