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

Technical card

Imaging telescopes or lenses: Orion 200mm f/5 Newtonian

Imaging cameras: Canon 450D modifié Astrodon

Mounts: Orion Sirius EQ-G (HEQ5) - belt mod

Guiding telescopes or lenses: Orion Short Tube 80/400

Guiding cameras: iNova PL1-M

Focal reducers: Baader Planetarium MPCC Mark III Coma Corrector

Software: Adobe Phosotshop CS5  ·  Adobe Lightroom 5.4  ·  SIRIL

Filters: Astronomik CCD CLS Canon EOS Clip  ·  Astronomik CCD Ha 12nm Canon EOS Clip

Accessory: Orion Low Profile Focuser  ·  Pierro-Astro Masques de BAHTINOV  ·  Lacerta Flatfieldbox 290mm  ·  Pierro-Astro USB autoguider  ·  Hotech 2" Laser Collimator


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


Basic astrometry details

Astrometry.net job: 3250065

RA center: 5h 41' 8"

DEC center: -2° 8' 27"

Pixel scale: 1.064 arcsec/pixel

Orientation: 107.066 degrees

Field radius: 0.747 degrees


Resolution: 4220x2780

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)
3410
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Revisions

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



    
        

            Olivier Ravayrol
    D

D

Description: Noise optimisation for details

Sky plot

Sky plot

Histogram

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



    
        

            Olivier Ravayrol