Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Great Nebula in Orion  ·  Horsehead nebula  ·  IC 432  ·  IC 434  ·  M 42  ·  M 43  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1981  ·  NGC 1982  ·  NGC 1990  ·  NGC 1999  ·  NGC 2023  ·  NGC 2024  ·  Part of the constellation Orion (Ori)  ·  The star 42Ori  ·  The star 45Ori  ·  The star Alnilam (εOri)  ·  The star Alnitak (ζOri)  ·  The star ηOri  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri  ·  The star σOri
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M42 - Before & After, Oliver Czernetz
M42 - Before & After
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M42 - Before & After

Getting plate-solving status, please wait...
M42 - Before & After, Oliver Czernetz
M42 - Before & After
Powered byPixInsight

M42 - Before & After

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Description

M42 - Before & After

M42 before and after processing.

The image top left shows a single, unguided 75 Seconds DSLR shot, top right a single 300 Seconds H-Alpha CCD shot.; both straight off the Cams.

The final image below contains the single DSLR shot and an image stack of 12 H-Alpha shots (a 300s).

I used Deep Sky Stacker 3.3.2 for the 12x300 Ha Stack, RegiStar to align the different focal lengths, and Photoshop CS5E for everything else, from stretching the RAWs up to the final tweaks.

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Sky plot

Sky plot

Histogram

M42 - Before & After, Oliver Czernetz