Hal H.
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Posts posted by Hal H.
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I finally leaned how to reduce star size and brighness in astrophotographs of nebulae by viewing the James Ritson video tutorial over and over. However, whenever I run the process I find a strange artifact in the resulting image consisting of horizontal grey ovals of constant size. What am I doing wrong? Help will be appreciated.

Artifact after star reduction
in Affinity on Desktop Questions (macOS and Windows)
Posted
Many thanks, that worked. The artifacts are gone!