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Thanks Ivo.
I don't mean to remove the stars, but protect them from wavelets. In PI I would create a luminance mask and a star mask, combine and apply to the image and then run wavelets. However, a luma mask may be adequate. Try that first and see what prevails.
I mean that masking the stars avoids wavelets on the stars themselves. A fairly strong mask with feathered edges is needed, otherwise the stars may finish up hole punched or have hard edges. A luma mask over the whole image combined with the star mask is necessary to protect other regions while having control over the galaxy wavelets The effect on the galaxy would otherwise be extreme and result in ring artifacts.
Try a luma mask first. But go with Ivo's directions. It's the principle that I am getting at, of protecting other data while you enhance another part of the image.
Cheers,
Rowland
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