Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  41 the01 Ori  ·  42 c Ori  ·  43 the02 Ori  ·  44 iot Ori  ·  45 Ori  ·  De Mairan's nebula  ·  Great Nebula in Orion  ·  Hatysa  ·  M 42  ·  M 43  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1981  ·  NGC 1982  ·  Sh2-279  ·  Sh2-281  ·  The star 42Ori  ·  The star 45Ori  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri  ·  VdB42  ·  VdB44
M42, NeedMoreCoffee
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M42

M42, NeedMoreCoffee
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M42

Equipment

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Acquisition details

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Description

Gain setting: highest dynamic range, sensor T ~ -25 C.

I'm pleased my image shows a lot of extended structure but I don't like the background noise, the fact that the core is so blown out, and principally that the stars are bloated and have such unsightly discolored halos. Probably the first is due to light pollution and not much to be done about that, but the others are due to me not understanding how to make and apply star masks. Oh well...keep trying. When I have the time I'll try again from scratch with the same data.

Comments

Revisions

  • M42, NeedMoreCoffee
    Original
  • M42, NeedMoreCoffee
    C
  • Final
    M42, NeedMoreCoffee
    D

C

Description: Not so stretched. Less use of star mask

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D

Description: Some tweaking

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Sky plot

Sky plot

Histogram

M42, NeedMoreCoffee