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Contains:  Flame Nebula, Great Orion Nebula, IC 420, IC 431, IC 432, IC 434, IC 435, Lower Sword, M 42, M 43, Mairan's Nebula, NGC 1973, NGC 1975, NGC 1976, NGC 1977, NGC 1980, NGC 1981, NGC 1982, NGC 2023, NGC 2024, Orion B, Orion Nebula, The star 42Ori, The star 45Ori, The star Alnitak (ζOri), The star θ1Ori, The star θ2Ori, The star ιOri, The star σOri, Upper Sword, the Running Man Nebula
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Orion M43 & Horsehead B33 Mosaic, 


            Gary Plummer
Orion M43 & Horsehead B33 Mosaic
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Orion M43 & Horsehead B33 Mosaic

Technical card

Dates:Jan. 22, 2020

Frames: 240x180"

Integration: 12.0 hours

Avg. Moon age: 27.22 days

Avg. Moon phase: 5.92%

Basic astrometry details job: 3302197

RA center: 5h 37' 40"

DEC center: -3° 57' 10"

Pixel scale: 6.088 arcsec/pixel

Orientation: 91.136 degrees

Field radius: 3.048 degrees

Resolution: 3072x1887

Locations: Back Garden, Clifton Springs, Victoria, Australia

Data source: Backyard


8 panel mosaic of 3 minute Ha exposures 90 minutes per panel.



Gary Plummer
License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


Orion M43 & Horsehead B33 Mosaic, 


            Gary Plummer