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Contains:  Great Orion Nebula, Lower Sword, M 42, M 43, Mairan's Nebula, NGC 1973, NGC 1975, NGC 1976, NGC 1977, NGC 1980, NGC 1981, NGC 1982, Orion Nebula, The star 42Ori, The star 45Ori, The star θ1Ori, The star θ2Ori, The star ιOri, Upper Sword, the Running Man Nebula
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M42 Orion Nebula, 


            Alexander Todorov
M42 Orion Nebula
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M42 Orion Nebula

Technical card

Imaging telescopes or lenses:Sky-Watcher Evostar 80ED DS-Pro

Imaging cameras:Canon 1000D

Mounts:Celestron CG5 Advanced GT

Guiding telescopes or lenses:SVBONY 50mm Guidescope

Guiding cameras:ASI ZWO 120MM m

Focal reducers:Sky-Watcher .85x Reducer/Flattener for ED80

Software:Photoshop CCPHD Guiding 2PixInsight 1.8DSS 4.1.1

Dates:March 19, 2020

Frames:Baader 7nm H-alpha: 19x300" ISO800 10C bin 1x1

Integration: 1.6 hours

Darks: ~30

Flats: ~50

Bias: ~50

Avg. Moon age: 25.11 days

Avg. Moon phase: 20.56%

Bortle Dark-Sky Scale: 8.00

Basic astrometry details job: 3346081

RA center: 5h 35' 9"

DEC center: -5° 14' 20"

Pixel scale: 1.126 arcsec/pixel

Orientation: 85.611 degrees

Field radius: 1.323 degrees

Resolution: 7100x4600

Data source: Backyard


I had 1 hour to spare so i decided to try out the Orion Nebula in H-alpha before it goes away for a year.



Alexander Todorov
License: None (All rights reserved)

Sky plot

Sky plot


M42 Orion Nebula, 


            Alexander Todorov