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


            Marcel  Porsiel
Great Orion Nebula

Technical card

Imaging telescope or lens:Skywatcher Dobson, 8"

Imaging camera:Canon 500D

Mount:Vixen GP

Software:FitsWork 4Photoshop CS2DeepSkyStacker 4.1.1

Accessory:Lacerta MGEN2 mit 9x50 Sucher

Resolution: 9540x6356

Dates:Oct. 13, 2018

76x6" ISO1600
22x66" ISO1600

Integration: 0.5 hours

Darks: ~20

Flats: ~30

Bias: ~30

Avg. Moon age: 4.41 days

Avg. Moon phase: 20.46%

Bortle Dark-Sky Scale: 5.00

Temperature: 15.00 job: 2318118

RA center: 5h 35' 35"

DEC center: -5° 21' 28"

Pixel scale: 0.405 arcsec/pixel

Orientation: 60.565 degrees

Field radius: 0.645

Locations: Kleingartensternwarte-BS-OST, Braunschweig, Niedersachsen, Germany

Data source: Backyard


I mixed short 6,6 second images to my 66,6 second frames because the trapeze was overexposed.



Marcel Porsiel
License: Attribution-NonCommercial-ShareAlike Creative Commons

Sky plot

Sky plot


Great Orion Nebula, 


            Marcel  Porsiel