To enable the observation of stars and constellations without being influenced by weather conditions by displaying luminous patterns of stars.

This curtain 10 comprises a curtain fabric 11 made of conventional woven or nonwoven cloth and patterns of stars 12-23 displayed thereon. The patterns 12-23 are ecliptic twelve constellations comprising the Ram, the Bull, the Twins, the Crab, the Lion, the Virgin, the Balance, the Scorpion, the Archer, the Goat, the Aquarius, and the Fishes. Each star pattern comprises a plurality of stars positioned at the positions corresponding to those of stars in the night and a figure of constellation displayed thereby. Each star comprises a transparent body made of plastic or glass in the shape of a star and luminous layer adhered onto the rear surface of the transparent body.