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Contains:  Bode's nebulae, M 81, NGC 3031
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M81, 



    
        

            AstroGG
M81
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M81

Technical card


Dates:Jan. 28, 2018

Frames:
B: 30x120"
G: 30x120"
Baader Planetarium H-Alpha Filter: 5x600"
L: 92x300"
R: 30x120"

Integration: 11.5 hours

Avg. Moon age: 11.25 days

Avg. Moon phase: 86.63%


Basic astrometry details

Astrometry.net job: 1960861

RA center: 9h 55' 35"

DEC center: +69° 3' 46"

Pixel scale: 0.621 arcsec/pixel

Orientation: 132.156 degrees

Field radius: 0.274 degrees


Resolution: 2544x1908

Comments

Author

AstroGG
AstroGG
License: Attribution-NonCommercial-ShareAlike Creative Commons
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M81, 



    
        

            AstroGG