Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  41 Ori A)  ·  41 Ori C  ·  41 Ori D  ·  43 Ori)  ·  Great Orion Nebula  ·  M 42  ·  M 43  ·  Mairan's Nebula  ·  NGC 1976  ·  NGC 1982  ·  Orion Nebula  ·  The star Mizan Batil II (θ2 Ori  ·  The star Trapezium (θ1 Ori A  ·  The star θ1 Ori C  ·  The star θ1 Ori D
M42 HDR, Denis
M42 HDR
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M42 HDR

M42 HDR, Denis
M42 HDR
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M42 HDR

Equipment

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Acquisition details

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Description

Exposures: 20x 0.25 s + 20x 1s + 20x 5s + 10x 20s
Camera: ZWO 294MC pro cooled (-10ºC)
Processing: SIRIL OCS_preprocessing script
Alignment and HDR: align_image_stack
Filters: none
Guiding: none
Focuser: motorised but not automated

Remarks: this is one of my first images
nothing is perfect in terms of focusing, motorisation, processing ...
improvements and learning are work in progress !

Comments

Sky plot

Sky plot

Histogram

M42 HDR, Denis

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Dobson imagers