Flame and Horsehead Nebulae, HaRGB Composite (Ryder Cobean)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 48 Ori · 48 sig Ori · 50 Ori) · 50 zet Ori · Alnitak · B33 · Flame Nebula · HD290812 · HD290814 · HD290815 · HD294272 · HD294297 · HD294298 · HD294302 · HD294303 · HD37524 · HD37564 · HD37641 · HD37661 · HD37662 · HD37686 · HD37699 · HD37805 · HD37903 · Horsehead nebula · IC 434 · LBN 953 · LBN 954 · NGC 2023 · NGC 2024 · And 4 more.

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Flame and Horsehead Nebulae, HaRGB Composite

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Flame and Horsehead Nebulae, HaRGB Composite

My first project I shot on the newt after installing my primary mirror mask! I had tried to do it before installing it, and Alnitak was ... ghastly:

Installing it really helped with artifacts even under imperfect collimation. Horsehead is relatively bright so decided to do this one from my backyard after bad weather scuttled my dark site trip in February. Could be better, but worked out well! Got 8 hours of broadband and a little extra narrowband which I added in using the Continuum Subtraction method detailed here: https://www.nightphotons.com/guides/advanced-narrowband-combination. Happy with the result, but will try it next year hopefully with a larger camera.

Broadband under Bortle 7/8/9
Light Polluted skies

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Status	Advanced success
Started	...
Astrometry.net job	9473386
PixInsight job	IPMBRQTHRHCJT0YPDJZIF8ZZ59AL8481
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h40m40s.80
RA (top/left)	05h38m39s.66
RA (top/right)	05h38m32s.15
RA (bottom/right)	05h42m40s.45
RA (bottom/left)	05h42m47s.70

Dec (center)	-02°08′15″.4
Dec (top/left)	-01°36′08″.10
Dec (top/right)	-02°38′32″.6
Dec (bottom/right)	-02°40′19″.1
Dec (bottom/left)	-01°38′00″.1

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Flame and Horsehead Nebulae, HaRGB Composite

Flame and Horsehead Nebulae, HaRGB Composite

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Flame and Horsehead Nebulae, HaRGB Composite

Flame and Horsehead Nebulae, HaRGB Composite

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