Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Great Orion Nebula  ·  M 42  ·  M 43  ·  Mairan's Nebula  ·  NGC 1976  ·  NGC 1982  ·  Orion Nebula  ·  The star θ1Ori  ·  The star θ2Ori
M42 HOO-RGB, Kathy Walker
M42 HOO-RGB
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M42 HOO-RGB

M42 HOO-RGB, Kathy Walker
M42 HOO-RGB
Powered byPixInsight

M42 HOO-RGB

Equipment

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Acquisition details

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Description

The nebula is all narrowband, with the red channel as Ha-Oiii, green as Ha+Oiii, and blue as Oiii. Luminance is Ha+Oiii. Stars are RGB.

Comments

Revisions

  • M42 HOO-RGB, Kathy Walker
    Original
  • M42 HOO-RGB, Kathy Walker
    B
  • Final
    M42 HOO-RGB, Kathy Walker
    D

B

Description: This version uses a blended LHaOiii luminance layer, with natural-colour RGB.

Uploaded: ...

D

Description: I did a more careful stretch on this version, to bring out the faint nebula on the south and west sides. Then, after comparing the RGB and HOO versions, I blended them.

Uploaded: ...

Sky plot

Sky plot

Histogram

M42 HOO-RGB, Kathy Walker