Originally posted by tsnodgrass
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Thank you for those suggestions! I am partway through a total re-write of the skydome that will hopefully be ready for the full release of UE 4.12 (the dynamic sky part at least, weather will take a bit longer), with accuracy being the main focus. Rotating the stars should be easy enough, and it would add a lot to the realism. I will be working on volumetric clouds next, currently finalizing the phases of the moon calculations.
The milky way is too bright on the stars texture I'm using, you have to be in the middle of nowhere to even see the milky way at night, light pollution makes it difficult to see. If you, or anyone else reading this, knows of a better texture please let me know! For now I will try to adjust it in photoshop.
The light function issue might be caused by the underwater caustics light function (in BP_Underwater). I will test it out to confirm on my end, but overlapping light functions might not work right.
I'll get back to you after I test it out and see what's going on.

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