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Contains:  Great Nebula in Orion, Horsehead nebula, IC 431, IC 432, IC 434, IC 435, M 42, M 43, NGC 1973, NGC 1975, NGC 1976, NGC 1977, NGC 1980, NGC 1981, NGC 1982, NGC 1990, NGC 1999, NGC 2023, NGC 2024, Part of the constellation Orion (Ori), The star 42Ori, The star 45Ori, The star Alnilam (εOri), The star Alnitak (ζOri), The star θ1Ori, The star θ2Ori, The star ιOri, The star σOri
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Orion's  most famous nebulae, 


            Nicolas Kizilian
Orion's  most famous nebulae
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Orion's most famous nebulae

Technical card

Imaging telescopes or lenses: William Optics Zenithstar 66

Imaging cameras: Moravian G2-8300

Mounts: Skywatcher AZ-EQ6 GT

Guiding cameras: QHY5L-IIc

Focal reducers: William Optics flat 6

Software: PHD2  ·  PixInsight 1.8  ·  Sequence Generator Pro  ·  Photoshop C6

Filters: astrodon Ha 5nm

Basic astrometry details job: 1461160

RA center: 5h 37' 41"

DEC center: -3° 48' 28"

Pixel scale: 6.917 arcsec/pixel

Orientation: 83.121 degrees

Field radius: 3.312 degrees

Resolution: 2971x1750

Data source: Backyard


Many thanks to Kevin Priebe for giving me the RGB data to colorize my Ha channel.
The field I'm planning to achieve is wider than that, and I still hope to make my own RGB in order to cover the entire field.



Nicolas Kizilian
License: None (All rights reserved)

Sky plot

Sky plot


Orion's  most famous nebulae, 


            Nicolas Kizilian