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Contains:  Bode's nebulae, M 81, M 82, NGC 3031, NGC 3034
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M81 & M82, 



    
        

            Georges
M81 & M82
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M81 & M82

Technical card



Basic astrometry details

Astrometry.net job: 2724377

RA center: 9h 55' 19"

DEC center: +69° 22' 55"

Pixel scale: 1.978 arcsec/pixel

Orientation: 271.389 degrees

Field radius: 0.876 degrees


Resolution: 2500x1977

Locations: observatoire personnel, Chilly Mazarin, Ile de France, France

Data source: Backyard

Description

Traitements d'images datant de 2017,2018 & 2019 pour arriver à un total de plus de 30 Heures pour la luminance..

Image processing from 2017,2018 & 2019 to a total of more than 30 hours for luminance..

Ha: 12x300s + 67x600s en bin1
CLS: 24x300s en bin1 + 140x600s en bin1
R: 40x180s en bin2, V: 40x180s en bin2, B: 40x180s en bin2

total exposure: 43.5H

Comments

Author

Georges
Georges
License: None (All rights reserved)
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M81 & M82, 



    
        

            Georges