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 SHO image from Singapore, astrobalcony
M42 SHO image from Singapore
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M42 SHO image from Singapore

M42 SHO image from Singapore, astrobalcony
M42 SHO image from Singapore
Powered byPixInsight

M42 SHO image from Singapore

Equipment

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Acquisition details

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Description

Processing details for this image under pixinsight

- 60*20 ha data

- 60* 10 oiii data

- 60*10 sii data

1. Stacked all data with Batch processing.

2. Colour channel combination as SHO for RGB

3. Background neutralization

4.colour calibration

5.. Extracted L channel from RGB data

6.histrogram transformation on L channel

7. Added L channel as mask on RGB data

6. Applied ACDNR on masked RGB data

7. Range selector with stars and bright surface

8.pixmaths # L channel - range mask to get star less nebula

9. Applied pixmath image to RGB data as mask

10.applied curves transformation to get more colours and sharpness.

Hope this helps ....if any suggestion all welcomes...I am still learning and ready to correct or enhance..🙂

Comments

Sky plot

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Histogram

M42 SHO image from Singapore, astrobalcony