Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  IC 1805
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IC 1805, HaRGB, Marco van der Kooij
IC 1805, HaRGB
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IC 1805, HaRGB

Getting plate-solving status, please wait...
IC 1805, HaRGB, Marco van der Kooij
IC 1805, HaRGB
Powered byPixInsight

IC 1805, HaRGB

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Description

I collected a complete but modest set of Ha, R, G, B of the central portion of IC 1805 using QHY9 CCD. Becoming more comfortable in using and blending Ha while maintaining star colour. Main approach is to blend Ha into R (resulting in less noise in red). Colour is from adjusted RGB. Luminance is generated from mixing Ha with a modest amount of B and R in order to optimize impact of stars (not too dense not too open). I think this is starting to be successful. I also collected OIII with the idea of improving the B but that was not too helpful (requires a lot more acquisitions).

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IC 1805, HaRGB, Marco van der Kooij