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


            Iñigo Gamarra
Great Orion Nebula M-42 & 43
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Great Orion Nebula M-42 & 43

Technical card

Dates:Oct. 27, 2019Oct. 28, 2019Oct. 29, 2019

ZWO SII 36mm 7nm: 85x120" (gain: 200.00) -15C bin 1x1
ZWO H-alpha 36mm ZWO H-alpha en 7 nm: 80x120" (gain: 200.00) -15C bin 1x1
ZWO OIII 36mm ZWO Olll 7nm: 78x120" (gain: 200.00) -15C bin 1x1

Integration: 8.1 hours

Avg. Moon age: 10.22 days

Avg. Moon phase: 1.10%

Bortle Dark-Sky Scale: 7.00

Basic astrometry details job: 3254109

RA center: 5h 35' 13"

DEC center: -5° 23' 13"

Pixel scale: 5.405 arcsec/pixel

Orientation: 270.345 degrees

Field radius: 1.438 degrees

Resolution: 1564x1106

Locations: Observatorio Huerta, La nucia, Alicante, Spain

Data source: Backyard


These are my latest data captured with the ASI1600, today I walk from China, I will not miss it, this will be my last image in a season because my new camera will take some time. Greetings to all and clear skies.



Iñigo Gamarra
License: None (All rights reserved)


  • Great Orion Nebula M-42 & 43, 


            Iñigo Gamarra
  • Great Orion Nebula M-42 & 43, 


            Iñigo Gamarra
  • Final
    Great Orion Nebula M-42 & 43, 


            Iñigo Gamarra

Sky plot

Sky plot


Great Orion Nebula M-42 & 43, 


            Iñigo Gamarra