The Witch's Head Nebula and Rigel proved to be a real challenge in my astrophotography journey.
The many hours of integration were collected in the months of November, December and January under the sky (bortle 4/5) of my small home observatory on the Adriatic coast.
The processing was carried out using Pixinsight, and pixelmath formulas for both mixing the ha all rgb and stellar reduction were decisive for the result.
If you are interested in knowing in detail the technique for mixing HA with RGB data here you can find my guide:
https://www.youtube.com/watch?v=H3h1SoDl0zYThe biggest obstacle turned out to be Rigel which, placed in the corner of my shooting frame, created some reflections due to my filters, especially on L,G and B.
The first versions of the shot had discouraged me a bit but also thanks to the precious advice of my astrophotography friends I came to this version that meets my expectations even if not fully.
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Simone
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