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



    
        

            MrPeppers
M81 and M82
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M81 and M82

Technical card

Imaging telescopes or lenses: Orion ED80 F6.0 ED80T CF apochromatic refractor

Imaging cameras: ZWO ASI 183MM Pro

Mounts: Orion Atlas Pro AZ/EQ-G

Focal reducers: Orion Field Flattener for Short Refractors

Software: Main Sequence Software SGPro, PHD2, Pixinsight

Filters: Optolong 1.25" LRGB


Dates:Feb. 13, 2019

Frames:Optolong 1.25" LRGB: 100x120" (gain: 50.00) -20C

Integration: 3.3 hours

Avg. Moon age: 7.95 days

Avg. Moon phase: 56.01%


Basic astrometry details

Astrometry.net job: 2536195

RA center: 9h 55' 17"

DEC center: +69° 3' 32"

Pixel scale: 1.039 arcsec/pixel

Orientation: 276.096 degrees

Field radius: 0.893 degrees


Resolution: 1824x1166

Locations: Backyard, Maurepas, Louisiana, United States

Data source: Backyard

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M81 and M82, 



    
        

            MrPeppers