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Contains:  NGC 2024, Horsehead nebula, IC 434, NGC 1990, M 43, NGC 1982, NGC 1977, M 42, Great Nebula in Orion, NGC 1976, NGC 1981, The star ψ2Ori, The star 29Ori, The star σOri, The star ηOri, The star ιOri, The star Mintaka (δOri), The star Saiph (κOri), The star Alnitak (ζOri), The star Alnilam (εOri), Part of the constellation Orion (Ori)
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Orion and Barnard's Loop, 


            Dominique Callant
Orion and Barnard's Loop

Orion and Barnard's Loop

Technical card

Resolution: 1751x2027

Dates:Nov. 22, 2017

Frames:Optolong UHC: 125x60" ISO1600 bin 1x1

Integration: 2.1 hours

Darks: ~20

Flats: ~20

Bias: ~27

Avg. Moon age: 3.59 days

Avg. Moon phase: 13.92%

Mean SQM: 18.89

Temperature: 9.00 job: 1839650

RA center: 5h 46' 22"

DEC center: -3° 25' 55"

Pixel scale: 27.705 arcsec/pixel

Orientation: 359.828 degrees

Field radius: 10.307

Locations: home backyard, Houthalen, Limburg, Belgium


Taken from home during a not so excellent night. Wind gust playing around, preventing me from using longer focal lenght telescopes.
2 Panel mosaic, using a Canon 6DAW and a Samyang 135mm f2.0 lens @f2.8 and ISO 1600 with an Optolong UHC 77mm front lens filter. 82x60s and 43x60s I could capture before clouds rolled in again.
That UHC filter is really good to take nice, high contrast pictures from emission nebula's in serious light polluted area's



Dominique Callant
License: None (All rights reserved)

Sky plot

Sky plot


Orion and Barnard's Loop, 


            Dominique Callant