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Contains:  31 Ori, 34 del Ori, 36 ups Ori, 41 the01 Ori, 42 c Ori, 43 the02 Ori, 44 iot Ori, 45 Ori, 46 eps Ori, 48 sig Ori, 49 d Ori, 50 zet Ori, 53 kap Ori, 55 Ori, Alnilam, Alnitak, B33, De Mairan's nebula, Great Nebula in Orion, Hatysa, Horsehead nebula, IC 430, IC 434, IC423, IC426, IC430, IC431, IC432, IC434, IC435, M 42, M 43, M43, M78, Mintaka, NGC 1975, NGC 1976, NGC 1977, NGC 1980, NGC 1981, NGC 1982, NGC 1990, NGC 1999, NGC 2023, NGC 2024, NGC 2064, NGC 2112, NGC1924, NGC1973, NGC1975, NGC1977, NGC1980, NGC1981, NGC1999, NGC2023, NGC2024, NGC2054, NGC2064, NGC2067, NGC2071, NGC2110, NGC2112, Orion, PK203-18.1, PK204-13.1, PK204-16.1, Part of the constellation Orion (Ori), Saiph, Sh2-276, Sh2-277, Sh2-279, Sh2-281, Thabit, The star 31Ori, The star 42Ori, The star Alnilam (εOri), The star Alnitak (ζOri), The star Mintaka (δOri), The star Saiph (κOri), The star ιOri, The star σOri, The star υOri, VV Ori, VdB42, VdB44, VdB48, VdB51, VdB54, VdB55, VdB58, VdB59, VdB60
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Orion Region (Rokinon test), 


            Gabe Shaughnessy
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Orion Region (Rokinon test)

Technical card

Imaging telescopes or lenses:Rokinon 135mm f/2

Imaging cameras:Nikon D610

Mounts:Astro-Physics AP1100GTO


Dates:March 25, 2019

Frames: 27x20" ISO800

Integration: 0.1 hours

Avg. Moon age: 19.57 days

Avg. Moon phase: 76.07%

Mean SQM: 19.90 job: 2602569

RA center: 5h 40' 5"

DEC center: -4° 21' 21"

Pixel scale: 9.486 arcsec/pixel

Orientation: 0.135 degrees

Field radius: 6.834 degrees

Resolution: 2803x4389

Data source: Backyard


Quick test of the performance of my new Rokinon 135mm lens on the Orion region.



Gabe Shaughnessy
License: Attribution-NonCommercial Creative Commons

Sky plot

Sky plot


Orion Region (Rokinon test), 


            Gabe Shaughnessy