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


            Kees Scherer
HaRGB Horsehead region

HaRGB Horsehead region

Technical card

Resolution: 4428x2493

Dates:Nov. 19, 2017Nov. 20, 2017

B: 13x300" (gain: 1.00) -20C bin 1x1
G: 13x300" (gain: 1.00) -20C bin 1x1
Baader Ha 6nm: 25x600" (gain: 1.00) -20C bin 1x1
R: 14x300" (gain: 1.00) -20C bin 1x1

Integration: 7.5 hours

Darks: ~32

Flats: ~25

Bias: ~150

Avg. Moon age: 1.37 days

Avg. Moon phase: 2.31% job: 1850081

RA center: 85.141 degrees

DEC center: -2.374 degrees

Pixel scale: 2.220 arcsec/pixel

Orientation: 89.728 degrees

Field radius: 1.567 degrees

Locations: Knight Observatory,Quinta Castelo Novo, Serra de Tomar, Portugal

Data source: Backyard


Just a simple workflow with NBRGBCombination,HistogramTransformation and Curves. (4 stacks made with Astropixelprocessor. )



Kees Scherer
License: Attribution Creative Commons

Sky plot

Sky plot


HaRGB Horsehead region, 


            Kees Scherer

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