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Contains:  NGC 2112, NGC 2064, NGC 2024, NGC 2023, Horsehead nebula, IC 434, IC 430, NGC 1999, NGC 1990, M 43, NGC 1982, NGC 1977, NGC 1980, M 42, Great Nebula in Orion, NGC 1976, NGC 1975, NGC 1981, The star 56Ori, The star 31Ori, The star υOri, The star 42Ori, The star σOri, The star ιOri, The star Mintaka (δOri), The star Alnitak (ζOri), The star Alnilam (εOri), Part of the constellation Orion (Ori)
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Gems of Orion, 


            David McGarvey
Gems of Orion

Gems of Orion

Technical card

Resolution: 1920x1405

Dates:Oct. 24, 2019

Frames: 22x180"

Integration: 1.1 hours

Avg. Moon age: 25.37 days

Avg. Moon phase: 18.33% job: 3014018

RA center: 5h 41' 23"

DEC center: -2° 52' 37"

Pixel scale: 20.520 arcsec/pixel

Orientation: 70.354 degrees

Field radius: 6.781

Locations: Back Yard, Westover, Pennsylvania, United States

Data source: Backyard


Some of Orion's gems as seen in the pre-dawn sky from my home in Pennsylvania, USA on 10/24/19.

Nikon D750 (Stock)
Rokinon 135mm f/2 ED UMC lens
ISO 1600
AstroTrac TT320X-AG - no guiding
Induro CLT404L Tripod


22 x 180" exposures (66 mins. total integration time)


RawTherapee, Deep Sky Stacker, RNC-Color-Stretch, Starnet++, & Photoshop.



David McGarvey
License: None (All rights reserved)


  • Gems of Orion, 


            David McGarvey
  • Final
    Gems of Orion, 


            David McGarvey


Color balance adjustment; fringe corrections.

Sky plot

Sky plot


Gems of Orion, 


            David McGarvey