M13 30/5/2020 – Changing colours

I am happier with this version – here I have used PixInsight to combine just RGB channels (no luminence – thanks Damian for the tip!) and then background neutralisation. A little bit of post-processing in Photoshop CS6 to improve curves and then in Affinity Photo to sharpen image (using the Astrophotography macro for sharpening x2 iterations), and voila!

A good sign is the colour of NGC 6207 which looks lot more natural to me.

Andy

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