Horsehead and Flame Nebulas in Bicolor (JDJ)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 48 sig Ori · 50 zet Ori · Alnitak · B33 · Horsehead nebula · IC 431 · IC 432 · IC 434 · IC 435 · NGC 2023 · NGC 2024 · Sh2-277 · The star Alnitak (ζOri) · The star σOri · VdB51

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Horsehead and Flame Nebulas in Bicolor

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Horsehead and Flame Nebulas in Bicolor

This image of the Horsehead and Flame Nebula region was generated using the SHO-AIP script in PixInsight to combine narrowband Ha and OIII images. I was inspired to create this one by a fantastic image on the cover of a recent issue of the Griffith Observer showing this region using the Hubble Palette. I don't have an SII filter, so I had to make do with my Ha and OIII data. I found that mixing Red = 100% Ha, Green = 50% Ha & 25% OIII, Blue = 100% OIII gave a somewhat similar color rendering to my image.

Ha source data:

https://astrob.in/386385/0/

OIII source data:

https://astrob.in/401152/0/

Suburban Astrophotography
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DSLR narrowband
The refractors!

Orion

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Status	Advanced success
Started	...
PixInsight job	ILEPYWVN0F7RNKN5CO80OKV9BHSHPXAU
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h40m55s.22
RA (top/left)	05h37m06s.15
RA (top/right)	05h36m35s.85
RA (bottom/right)	05h44m44s.64
RA (bottom/left)	05h45m13s.33

Dec (center)	-02°23′28″.7
Dec (top/left)	-00°51′44″.9
Dec (top/right)	-03°50′13″.3
Dec (bottom/right)	-03°55′10″.6
Dec (bottom/left)	-00°56′47″.0

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Horsehead and Flame Nebulas in Bicolor

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Horsehead and Flame Nebulas in Bicolor

Horsehead and Flame Nebulas in Bicolor

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