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Contains:  IC 435, NGC 2024, NGC 2023, Horsehead nebula, IC 434, The star Alnitak (ζOri)
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Horsehead nebula (IC434) & Flame Nebula (NGC 2024) Ha-RGB, 





    
        

            Olivier Ravayrol
Horsehead nebula (IC434) & Flame Nebula (NGC 2024) Ha-RGB

Horsehead nebula (IC434) & Flame Nebula (NGC 2024) Ha-RGB

Technical card

Resolution: 4220x2780

Dates:Feb. 26, 2019Feb. 27, 2019

Frames:
Astronomik CCD CLS Canon EOS Clip: 17x300" ISO800 16C bin 1x1
Astronomik CCD Ha 12nm Canon EOS Clip: 26x300" ISO800 16C bin 1x1

Integration: 3.6 hours

Darks: ~7

Flats: ~30

Bias: ~50

Avg. Moon age: 22.62 days

Avg. Moon phase: 45.04%

Bortle Dark-Sky Scale: 5.00

Temperature: 12.00

Astrometry.net job: 2590858

RA center: 5h 41' 8"

DEC center: -2° 8' 27"

Pixel scale: 1.064 arcsec/pixel

Orientation: 107.066 degrees

Field radius: 0.747

Locations: Observatoire personnel, Tournefeuille, Haute-Garonne, France

Data source: Own remote observatory

Description

Tournefeuille, France
Ha-RGB (Luminance with Ha narrow band 12nm filter, color with CLS filters)
Ha:2h10 & CLS:1h25 exposure time - 800 iso
200/1000 mm Newtonian Reflector – EOS 450D filter removed
Preprocessing with SIRIL
Image processing with Photoshop
Final touch with Lightroom

Comments

Author

olivierr31
Olivier Ravayrol
License: None (All rights reserved)
2980
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Revisions

  • Horsehead nebula (IC434) & Flame Nebula (NGC 2024) Ha-RGB, 





    
        

            Olivier Ravayrol
    Original
  • Horsehead nebula (IC434) & Flame Nebula (NGC 2024) Ha-RGB, 





    
        

            Olivier Ravayrol
    B
  • Horsehead nebula (IC434) & Flame Nebula (NGC 2024) Ha-RGB, 





    
        

            Olivier Ravayrol
    C
  • Final
    Horsehead nebula (IC434) & Flame Nebula (NGC 2024) Ha-RGB, 





    
        

            Olivier Ravayrol
    D

B

White balance optimisation

C

Histogram optimisation

D

Noise optimisation for details

Sky plot

Sky plot

Histogram

Horsehead nebula (IC434) & Flame Nebula (NGC 2024) Ha-RGB, 





    
        

            Olivier Ravayrol