Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  50 zet Ori  ·  Alnitak  ·  B33  ·  Horsehead nebula  ·  IC 434  ·  IC 435  ·  NGC 2023  ·  NGC 2024  ·  Sh2-277  ·  The star Alnitak (ζOri)
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IC 434/NGC 2024, Horsehead & Flame Nebulae, HαRRGB, 5 Mar 2013 & 31 Dec 2014, David Dearden
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IC 434/NGC 2024, Horsehead & Flame Nebulae, HαRRGB, 5 Mar 2013 & 31 Dec 2014

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This is a HαRRGB combination of UHC-S data from 5 Mar 2013 and Hα from 31 Dec 2014. The R layer was 80% Hα, 20% UHC-S, and that was also used for L at 70% opacity. The RGB data for this was not great; I need to reshoot the RGB framed to better match the Hα. However, this does look far better than the original RGB did.

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IC 434/NGC 2024, Horsehead & Flame Nebulae, HαRRGB, 5 Mar 2013 & 31 Dec 2014, David Dearden