Sky Sphere Weird outlines

Hi! I’ve been following this tutorial Outline Transition Effect Using Postprocess Material - (UE4) - YouTube and have noticed that the sky sphere has been getting the outlines as well.

Does anyone know how to easily fix this issue (apply a black color to the sky instead of having the outlines)

you need to limit the distance at which the effect is rendered. i had a similar issue with one of the epic streams and just used an if node to limit how far out the effect happened.

linked below is the forum thread that helped me with the issue. also below is a picture showing what i did with the material i was working on, i believe the methodology in both is similar so you should be able to do something similar.

https://forums.unrealengine.com/unreal-engine/events/1407662-unreal-engine-livestream-post-processing-in-ue4-cel-shading-jan-4-live-from-epic-hq/page2

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Thank you for the support! Your solution works, but I figured out a way that also helped, which is to separate objects into separate render passes (custom depth)