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


M42 The Orion Nebula
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M42 The Orion Nebula

Technical card

Imaging telescopes or lenses: Astrotech 92 Triplet AT92mm f/5.5

Imaging cameras: ATIK 420c

Mounts: Orion Azeq Atlas pro

Guiding telescopes or lenses: ASTRO TECH AT66ED Guiding

Guiding cameras: Orion star shoot auto guider Star Shoot AutoGuider

Software: PixInsight  ·  Stark Labs pHD guiding PHD2  ·  EQMOD, Stellarium, Stellarium Scope, PHD, Backyard EOS, Astro Tortilla Nebulosity 4

Filters: Orion SkyGlow Astrophotography Filter 2 inch Orion

Accessory: Pegasus Astro Dual Motor Focus Controller Cube focuser  ·  Astro-Tech ATFF2 field flattener

Dates:Oct. 1, 2019

Frames:Orion SkyGlow Astrophotography Filter 2 inch Orion: 68x60" -1C

Integration: 1.1 hours

Darks: ~30

Flats: ~30

Bias: ~50

Avg. Moon age: 3.11 days

Avg. Moon phase: 10.57%

Bortle Dark-Sky Scale: 7.00

Basic astrometry details job: 3114059

RA center: 5h 35' 19"

DEC center: -5° 23' 52"

Pixel scale: 0.895 arcsec/pixel

Orientation: 89.259 degrees

Field radius: 0.494 degrees

Resolution: 3178x2384

Locations: Home backyard red turning white zone, Gilbert, Az, United States

Data source: Backyard


This is a work in progress, I imaged this around 0530 this morning waiting for the sky to brighten enough to take flats for the previous nights session.... another project. I was quite amazed at what I could get out of only 20 minutes of integration!



License: None (All rights reserved)


  • M42 The Orion Nebula, 


  • M42 The Orion Nebula, 


  • Final
    M42 The Orion Nebula, 




Description: This is a total of 68 60 sec. subs dithered, and drizzle integrated. The original was only 20 60 sec subs. I also tried to tame the four Trapezium stars. I like how much easier it was to process. Mike


Description: I cropped the stacking artifacts on the top and left edge. Also, using a Range Mask to protect everything but the background, I tried to pull out more dust in the outer areas of the image. And lastly, did a slight noise reduction after the Curves stretch using ACDNR. Mike

Sky plot

Sky plot


M42 The Orion Nebula,