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Contains:  M 43, NGC 1982, M 42, Great Nebula in Orion, NGC 1976, The star θ2Ori, The star θ1Ori
Getting plate-solving status, please wait...
M42 - Ha - HDR, 


            Johan Bakker
M42 - Ha - HDR

M42 - Ha - HDR

Technical card

Resolution: 2765x2414

Dates:Jan. 20, 2019

Frames: 12x210"

Integration: 0.7 hours

Avg. Moon age: 13.93 days

Avg. Moon phase: 99.21% job: 2802625

RA center: 83.643 degrees

DEC center: -5.487 degrees

Pixel scale: 1.116 arcsec/pixel

Orientation: 12.169 degrees

Field radius: 0.569 degrees

Locations: Back yard, Zoetermeer, ZH, Netherlands

Data source: Backyard


Tried HDR on M42. Only got a set of 300s and 120s. By the time i was unto 60s, M42 disappeared behind the trees :( Anyway, as a HDR POC, i'm happy with it.



Johan Bakker
License: Attribution Creative Commons


  • M42 - Ha - HDR, 


            Johan Bakker
  • Final
    M42 - Ha - HDR, 


            Johan Bakker


Credits to Mauro Sasso for the Photoshop lessons!

Sky plot

Sky plot


M42 - Ha - HDR, 


            Johan Bakker