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Contains:  M 81, Bode's nebulae, NGC 3031
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Bode 's Galaxy - M81 in  LHaRGB, 





    
        

            Arnaud Peel
Bode 's Galaxy - M81 in  LHaRGB

Bode 's Galaxy - M81 in LHaRGB

Technical card

Resolution: 3260x3260

Dates:Jan. 4, 2019Feb. 28, 2019

Frames:
Baader Ha 7nm 36mm Baader: 47x300" bin 1x1
ZWO 36mm LRGBHOS Filter Set: 93x180"

Integration: 8.6 hours

Avg. Moon age: 26.05 days

Avg. Moon phase: 16.49%

Astrometry.net job: 2749073

RA center: 9h 55' 30"

DEC center: +69° 5' 9"

Pixel scale: 0.784 arcsec/pixel

Orientation: 274.213 degrees

Field radius: 0.502

Locations: au Pied du Ventoux, Ventoux, 84, France

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

I am happy to process again my M81 acquisition data added with almost 4 hours of Halpha to get the nice red nebula modules of the galaxy 's arms.

LRGB : 3 nights despite very high Mistral wind, but nice transparency
Hakpha : and 2 another nights for the Halpha

47 Light subs @180s gain 139 and -20°C and
47 Halpha subs @300s gain 139 and -20°C and

16 Blue subs @180s gain 139 and -20°C
14 Green subs @180s gain 139 and -20°C
16 Red subs @180s gain 139 and -20°C

Comments

Author

Arnaudf92
Arnaud Peel
License: None (All rights reserved)
2213
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Revisions

  • Bode 's Galaxy - M81 in  LHaRGB, 





    
        

            Arnaud Peel
    Original
  • Bode 's Galaxy - M81 in  LHaRGB, 





    
        

            Arnaud Peel
    C
  • Bode 's Galaxy - M81 in  LHaRGB, 





    
        

            Arnaud Peel
    F
  • Bode 's Galaxy - M81 in  LHaRGB, 





    
        

            Arnaud Peel
    H
  • Final
    Bode 's Galaxy - M81 in  LHaRGB, 





    
        

            Arnaud Peel
    I

C

Crop

H

Slight modfication of color balance

Sky plot

Sky plot

Histogram

Bode 's Galaxy - M81 in  LHaRGB, 





    
        

            Arnaud Peel