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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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The Great Orion Nebula, 


            Alberto Negro
The Great Orion Nebula
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The Great Orion Nebula

Technical card

Dates:Nov. 16, 2017

Frames: 15x400"

Integration: 1.7 hours

Avg. Moon age: 27.69 days

Avg. Moon phase: 3.77%

Basic astrometry details job: 1820866

RA center: 5h 34' 55"

DEC center: -5° 9' 50"

Pixel scale: 1.436 arcsec/pixel

Orientation: 62.294 degrees

Field radius: 0.982 degrees

Resolution: 4096x2732


As I do not like HDR colours, i used the shorter exposures only in masked saturated nebula cores



Alberto Negro
License: None (All rights reserved)

Sky plot

Sky plot


The Great Orion Nebula, 


            Alberto Negro