Belt of Stars 20gp (Wondrous Item): While wearing this diamond-studded belt, you can use an action to alter the appearance of the night sky within a 150-foot cube centered on you. You can make stars shift position, create new constellations, or conjure planets or comets, supernovas, and other space phenomenon.
A creature carefully examining the illusion can attempt a DC 13 Intelligence (Investigation) check to disbelieve it.
The illusion lasts until the next dawn.
The belt can't be used this way again until the next dawn.
Pinky purple leather belt, with faintly twinkling stars on it.