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Contains:  NGC 1999, M 43, NGC 1982, NGC 1977, NGC 1980, M 42, Great Nebula in Orion, NGC 1976, NGC 1975, NGC 1973, The star 45Ori, The star ιOri, The star θ2Ori, The star θ1Ori, The star 42Ori
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M42, Orion, 


            Eric Hahl
M42, Orion

M42, Orion

Technical card

Resolution: 769x960

Dates:Nov. 28, 2019

Ha 5nm: 92x30" -20C bin 1x1
Ha 5nm: 2x3600" -20C bin 1x1
Ha 5nm: 10x600" -20C bin 1x1

Integration: 4.4 hours

Avg. Moon age: 1.95 days

Avg. Moon phase: 4.24% job: 3086116

RA center: 5h 34' 41"

DEC center: -5° 42' 54"

Pixel scale: 10.895 arcsec/pixel

Orientation: 64.285 degrees

Field radius: 1.861

Data source: Backyard


This is HA data only. Shot 30 second, 600 second and 3600 second exposures to help control the core from blowing out detail and capture the fain stuff surrounding M42.



Eric Hahl
License: None (All rights reserved)

Sky plot

Sky plot


M42, Orion, 


            Eric Hahl