Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Great Nebula in Orion  ·  M 42  ·  M 43  ·  NGC 1976  ·  NGC 1982  ·  The star θ1Ori  ·  The star θ2Ori
M42 as HDR composit, Karl Sarnow
M42 as HDR composit
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M42 as HDR composit

M42 as HDR composit, Karl Sarnow
M42 as HDR composit
Powered byPixInsight

M42 as HDR composit

Equipment

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Acquisition details

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Description

5 images of 30s each taken at ISO1600 with the following equipment:

Scope: Celestron EdgeHD800 with 0.7 reducer. Mount: Celestron AVX Camera: Nikon D5100 Guiding: Off axis with ToupTek Camera G3M-178-M Mono Autoguider Software PHD2

Processing: The 5 raw images have been preprocessed in RawTherapee and saved as 16 Bit PNG images. These images have been loaded into GIMP 2.10 as layers. The layers have been aligned with ebenenausrichtung2.py. Then the layers have been added to the final frame and given some final cosmetics. Two versions of the image hane been saved: One with the trapezoid well exposed, the other one with the dust and gas clouds well exposed. Both images have been load to fotoxx and processed as HDR image.

Comments

Sky plot

Sky plot

Histogram

M42 as HDR composit, Karl Sarnow