Add the solar-system background to the starmap for mod: Realistic Celestial Universe.
Although it can work independently, it is recommended to use it alongside this mod.
https://mods.factorio.com/mod/real-starry-universe

Requires the prerequisite mod.
StarMap Background
https://mods.factorio.com/mod/Better_Starmap_Background

Discord：https://discord.gg/Sg849Y8sRz