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Remove halos around stars


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Im new to photo processing, so if their is a solution, if you could keep it simple for me that would be great.

I have severe halos around the bright star in the attached astro photo. I assume it may have been caused due to the filter I was using with my ccd camera.

Is their a way to remove it.

Any help would be greatly appreciated

IC434 affinity.png

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Any chance you can provide a RAW file ? The jpeg does not offer enough details for such delicate work.

Mac mini M1 A2348

LG34WK950U-W, calibrated to DCI-P3 with LG Calibration Studio / Spider 5

iPad Air Gen 5 (2022) A2589

Special interest into procedural texture filter, edit alpha channel, RGB/16 and RGB/32 color formats, stacking, finding root causes for misbehaving files, finding creative solutions for unsolvable tasks, finding bugs in Apps.

 

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Possible ways:

  1. frequency separation, using medium blur
  2. deactivate highpass layer
  3. create circle patches, to cover halo. Sample color from surrounding area.
  4. adjust blend mode if required 
  5. add pixel layer. Use inpainting to blend in edges. Use current & below

Mac mini M1 A2348

LG34WK950U-W, calibrated to DCI-P3 with LG Calibration Studio / Spider 5

iPad Air Gen 5 (2022) A2589

Special interest into procedural texture filter, edit alpha channel, RGB/16 and RGB/32 color formats, stacking, finding root causes for misbehaving files, finding creative solutions for unsolvable tasks, finding bugs in Apps.

 

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