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Contains:  50 zet Ori, Alnitak, B33, Horsehead nebula, IC 434, IC 435, IC434, IC435, NGC 2023, NGC 2024, NGC2023, NGC2024, Sh2-277, The star Alnitak (ζOri)
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Horsehead  LRGB/Ha, 



    
        

            Bob J
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Horsehead LRGB/Ha

Technical card


Dates:Jan. 5, 2016

Frames:
Astronomik Blue 1.25": 4x300" -40C bin 1x1
Astronomik Green 1.25": 4x300" -40C bin 1x1
Astronomik H-Alpha 12nm 1.25": 8x600" -40C bin 1x1
Astronomik Lum 1.25": 5x420" -40C bin 1x1
Astronomik Red 1.25": 4x300" -40C bin 1x1

Integration: 2.9 hours

Darks: ~10

Bias: ~50

Avg. Moon age: 25.07 days

Avg. Moon phase: 20.86%

Temperature: -16.00


Astrometry.net job: 908669

RA center: 5h 41' 29"

DEC center: -2° 11' 30"

Pixel scale: 1.618 arcsec/pixel

Orientation: -119.476 degrees

Field radius: 0.773 degrees


Resolution: 2706x2128

Data source: Backyard

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Author

Space_Oddity
Bob J
License: None (All rights reserved)
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Horsehead  LRGB/Ha, 



    
        

            Bob J