Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Horsehead nebula  ·  IC 434  ·  IC 435  ·  NGC 2023  ·  NGC 2024  ·  The star Alnitak (ζOri)  ·  The star σOri
Horsehead in HaRGB, bobzeq25
Horsehead in HaRGB
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Horsehead in HaRGB

Horsehead in HaRGB, bobzeq25
Horsehead in HaRGB
Powered byPixInsight

Horsehead in HaRGB

Equipment

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Acquisition details

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Description

Two nights, two cameras, a ZWO183C for the RGB, an Atik460 mono for the Ha. PixInsight handled that easily, no fuss.

Comments

Revisions

  • Horsehead in HaRGB, bobzeq25
    Original
  • Horsehead in HaRGB, bobzeq25
    C
  • Horsehead in HaRGB, bobzeq25
    D
  • Horsehead in HaRGB, bobzeq25
    F
  • Final
    Horsehead in HaRGB, bobzeq25
    G

C

Description: Large improvement in dim detail by (instead of combining Ha and RGB while linear) combining Ha and RGB after separately stretching and processing.

Alnitak has been beaten into
submission.

Uploaded: ...

D

Description: Like this crop a bit better.

Uploaded: ...

G

Description: This has been a very interesting process. One thing I've come to realize is that the Flame, often depicted as a reflection nebula, has a great deal of H alpha. A white flame leads to an orange or pink background to the Horsehead, which I don't think is correct.

Uploaded: ...

Sky plot

Sky plot

Histogram

Horsehead in HaRGB, bobzeq25