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Contains:  Great Orion Nebula, IC 420, Lower Sword, M 42, M 43, Mairan's Nebula, NGC 1973, NGC 1975, NGC 1976, NGC 1977, NGC 1980, NGC 1981, NGC 1982, Orion Nebula, The star 42Ori, The star 45Ori, The star θ1Ori, The star θ2Ori, The star ιOri, Upper Sword, the Running Man Nebula
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M42 - Orion nebula again, 



    
        

            Gendra
M42 - Orion nebula again
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M42 - Orion nebula again

Technical card


Dates:March 27, 2020

Frames: 34x75" ISO400

Integration: 0.7 hours

Flats: ~18

Avg. Moon age: 2.78 days

Avg. Moon phase: 8.47%

Bortle Dark-Sky Scale: 5.00

Temperature: 20.00


Basic astrometry details

Astrometry.net job: 3468610

RA center: 5h 35' 0"

DEC center: -5° 18' 39"

Pixel scale: 1.739 arcsec/pixel

Orientation: 358.737 degrees

Field radius: 1.396 degrees


Resolution: 3144x4848

Data source: Traveller

Description

A "late" orion nebula in the short period of time after sunset before orion was disappearing itself.
Since orion was close to the horizon in the west, the sky was still pretty bright and I had a strong gradient in the image. All this made post-processing very difficult and only partially successful.

Comments

Author

Gendra
Gendra
License: None (All rights reserved)
400
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Revisions

  • M42 - Orion nebula again, 



    
        

            Gendra
    Original
  • Final
    M42 - Orion nebula again, 



    
        

            Gendra
    B

B

Description: Reprocessed version.

Sky plot

Sky plot

Histogram

M42 - Orion nebula again, 



    
        

            Gendra