ScienceDownEast | ScienceDownEast Astrophotography | S30 | M42 (Orion Nebula)

M42 (Orion Nebula)
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The Orion Nebula (M42, NGC 1976) is a diffuse emission nebula in the constellation Orion and the closest large region of massive star formation to Earth, at a distance of roughly 1,300-1,350 light-years. It is bright enough to be seen with the naked eye and spans about 25 light-years, powered by the intense ultraviolet radiation of the young Trapezium star cluster embedded at its heart. The nebula's...

Total image time was 3 hours and 37 minutes.

Moon Phase Waning Gibbous
Camera Seestar S30
Optics 150 mm focal length, f/5, 30 mm aperture (APO triplet)
Filter LP
Binning 1.x1.
Stacking StackingWizard, 225 of 251 frames stacked
Date 2025-12-08
AstroWizard Processing
Crop
GraXpert background extraction (0.5)
Color calibration
True-color mapping
BlurXTerminator (0.6)
NoiseXTerminator (linear, 0.9)
Stretch (deep)
Generalized Hyperbolic Stretch (x4)
Generalized Hyperbolic Stretch (starless)
Star removal (StarXTerminator)
Darken background (x2)
Saturation adjustment (x5)
Contrast (pop) adjustment (x8)
Curves adjustment (x6)
Star recombination (screen blend)
Lighten background (x3)
Color recalibration



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