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PixInsight - Improving the Non-Linear Image |
MMT - Ring Free Sharpening with MultiscaleMedianTransform |
updated: 2026-03-23 |
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Purpose |
In this step PixInsight is used to sharpen details in the nearly final image |
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Activation |
Menu: Process 🡺 Multiscale Processing 🡺 MultiscaleMedianTransform |
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Input |
a nearly final non-linear image, preferably of the the DSO object without stars after the MAS (Multiscale Transform Stretch) |
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Output |
a sharpened image |
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Tutorials |
Steps:
- Open the nearly final non-linear image, preferably of the the DSO object without stars after the MAS (Multiscale Transform Stretch), e.g.:
- Open Process 🡺 Multiscale Processing 🡺 MultiscaleMedianTransform and set these parameters:
- Open the preview window to see the result
- Apply the process to the image.
- ... and check the result:
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Before |
After |
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Hint: A simpler method is to increase the sharpness and detail levels in Lightroom Classic (LRC). However, since LRC cannot import XISF files, this method only works with TIFF or JPG files.
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