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NGC 6888 HSO reprocess

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34 minutes ago, Derbyshire Dave said:

Nice result. What was Peter's tip Steve?

You could try removing the stars in the O3 then adding it as a separate colourized (teal/blue) layer. You will then be able to push the O3 much further and give it a harder noise reduction without loosing the sharpness in the overall image. This technique is commonly used when adding narrow band layers to an RGB image.

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