The nights will be darker or lighter
Small changes concerning balance, gameplay, or graphics.
I suspect it's an oversight, that i can see the worm turret spit on the ground plain as day in the pitch black night.
You can use the TorchLight to spot all entities what you want to see.
The problem with turrets/worms is not from the mod, but I need to check/change the LUT-images (Look up tables, but images) for it. https://www.factorio.com/blog/post/fff-320#:~:text=LUTs%20(Look%20up%20tables) Factorio/data/core/graphics/color_luts