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Contains:  Horsehead nebula, IC 431, IC 432, IC 434, IC 435, NGC 2023, NGC 2024, The star Alnitak (ζOri), The star σOri
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IC434 en HaRGB, 



    
        

            Georges
IC434 en HaRGB
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IC434 en HaRGB

Technical card


Frames:
B: 15x120" -15C bin 2x2
B: 30x60" -15C bin 2x2
G: 46x60" -15C bin 2x2
Astronomik Ha 1.25" 6nm: 6x300" -15C bin 1x1
Astronomik Ha 1.25" 6nm: 55x600" -15C bin 1x1
R: 59x60" -15C bin 2x2

Integration: 12.4 hours

Temperature: 0.19


Basic astrometry details

Astrometry.net job: 2459663

RA center: 5h 40' 15"

DEC center: -2° 27' 43"

Pixel scale: 2.325 arcsec/pixel

Orientation: 96.688 degrees

Field radius: 1.336 degrees


Resolution: 3233x2583

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

Data source: Backyard

Description

Ha: 55x600s & 6x300s en bin1
R:59x60s en bin2
V:46x60s en bin2
B:30x60s+15x120s en bin2

mix des meilleures images et nouveau traitement sur le Halpha et ajout de la couche RVB faites en Janvier/fevrier 2018

Best images mix and new process in Halpha and adding the RGB layer made in January/february 2018

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Georges
Georges
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IC434 en HaRGB, 



    
        

            Georges