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Contains:  M 43, NGC 1982, NGC 1977, NGC 1980, M 42, Great Nebula in Orion, NGC 1976, NGC 1975, NGC 1981, NGC 1973, The star 45Ori, The star ιOri, The star θ2Ori, The star θ1Ori, The star 42Ori
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The Orion Nebula RGBSHO, 


            Nikolaos Karamitsos
The Orion Nebula RGBSHO

The Orion Nebula RGBSHO

Technical card

Resolution: 8070x5640

Dates:Nov. 18, 2019

Optolong L-eNhance 2": 62x60" bin 1x1
Optolong H-Alpha 7nm: 60x60" bin 1x1
Optolong O-III 6.5NM: 62x60" bin 1x1
Optolong SII 656Nm Optolong SII 6.5Nm: 59x60" bin 1x1

Integration: 4.0 hours

Darks: ~35

Flats: ~30

Bias: ~10

Avg. Moon age: 20.69 days

Avg. Moon phase: 65.24%

Temperature: -10.00 job: 3088951

RA center: 5h 34' 37"

DEC center: -5° 23' 38"

Pixel scale: 0.925 arcsec/pixel

Orientation: 304.329 degrees

Field radius: 1.265

Locations: Home, Fruit cove, Jacksonville, Florida, United States

Data source: Backyard


Nikolaos Karamitsos
License: None (All rights reserved)


  • The Orion Nebula RGBSHO, 


            Nikolaos Karamitsos
  • Final
    The Orion Nebula RGBSHO, 


            Nikolaos Karamitsos


removed magenta stars. it was quite easy. In Pixinsight you invert the image then use scnr to remove the green then invert image again. Wow

Sky plot

Sky plot


The Orion Nebula RGBSHO, 


            Nikolaos Karamitsos

In these public groups

Celestron RASA
Celestron Rasa Group