Hi, @Spin discovered a very weird bug in my Feline Utility Rovers mod, which i'm not able to understand. The lights of the rover are able to illuminate Kerbin from Orbit: (Solution can be found below) This is a reallybig distance! And i double checked in Unity and in game (with logs) that the distance is set to only 60m and an intensity of 4. This definitely should'nt be something powerful enough to do this. Here is the configuration of the lights: Does anyone have an