A relic of the past, an ancient starmap displays obsolete arrangements of stars.
Constellations represent recognizable, yet arbitrary, collections of stars when observed from a planet's surface. During a spiritual experience within the Lothal Jedi Temple, Ezra Bridger seemingly found himself within a vast cavern, featuring a unique night sky adorned with constellations unfamiliar to him. The perceived structure of a constellation would shift over extended periods of time, depending on the observer's location.
The design of Amilyn Holdo's bracelets was inspired by the constellations visible from the surface of her homeworld, Gatalenta.