Similarly to https://support.simulationcurriculum.com/hc/en-us/community/posts/223651227-When-zooming-in-far-enough-nebulae-don-t-show?input_string=Zooming%20too%20far when zooming far enough, the main image disappears and sometimes artefacts are visible. See images for an example.
Additionally, it seems that the issue with Nebulae is still present also.

