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





    
        

            Jean-François Dou...

The great nebula of Orion

Technical card

Resolution: 1972x1986

Dates:Feb. 20, 2017Feb. 5, 2019Feb. 6, 2019

Frames:
Astrodon Generation 2 Tru-Balance 1.25'' filters: 36x10" -30C bin 1x1
Astrodon Generation 2 Tru-Balance 1.25'' filters: 36x30" -30C bin 1x1
Astrodon Generation 2 Tru-Balance 1.25'' filters: 36x600" -30C bin 1x1
Ha 3nm: 30x10" -30C bin 1x1
Ha 3nm: 30x30" -30C bin 1x1
Ha 3nm: 30x600" -30C bin 1x1

Integration: 11.7 hours

Darks: ~50

Flats: ~30

Flat darks: ~30

Bias: ~200

Avg. Moon age: 8.55 days

Avg. Moon phase: 12.36%

Bortle Dark-Sky Scale: 4.00

Mean FWHM: 1.95

Astrometry.net job: 2557361

Locations: Observatoire personnel "Stargate", Valence, Drôme, France

Data source: Backyard

Description

A 1.350 AL dans la constellation d'Orion La Grande Nébuleuse M42 s'étend sur environ 33 années-lumières. C'est une nébuleuse à émission qui s'est formée dans un immense nuage de gaz et de poussières qui s'étend sur près de la moitié de la constellation d'Orion.

Comments

Author

Douroux
Jean-François Dou...
License: None (All rights reserved)
2583
Like

Revisions

  • The great nebula of Orion, 





    
        

            Jean-François Dou...
    Original
  • Final
    The great nebula of Orion, 





    
        

            Jean-François Dou...
    B

B

Just a little more details and correction of orientation seen from my location

Histogram

The great nebula of Orion, 





    
        

            Jean-François Dou...