Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  M 81  ·  NGC 3031
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M81, 



    
        

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M81

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M81, 



    
        

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M81

Acquisition details

Dates:
Dec. 9, 2021
Frames:
Astrodon Blue Tru-Balance E-series gen 2: 25×300(2h 5′) bin 1×1
Astrodon Green Tru-Balance E-series gen 2: 25×300(2h 5′) bin 1×1
Astrodon Lum Tru-Balance E-series gen 2: 40×300(3h 20′) bin 1×1
Astrodon Red Tru-Balance E-series gen 2: 25×300(2h 5′) bin 1×1
Integration:
9h 35′
Avg. Moon age:
5.80 days
Avg. Moon phase:
33.43%

RA center: 09h55m31s.568

DEC center: +69°0322.45

Pixel scale: 0.501 arcsec/pixel

Orientation: 88.541 degrees

Field radius: 0.396 degrees

WCS transformation: thin plate spline

More info:Open 

Resolution: 4450x3550

File size: 8.6 MB

Data source: Own remote observatory

Remote source: Lijiang Gemini Observatory

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China Lijiang Gemini Observatory