Circinus

Circinus is a small, faint constellation in the southern sky, first defined in 1756 by the French astronomer Nicolas-Louis de Lacaille. Its name is Latin for compass, referring to the drafting tool used for drawing circles (it should not be confused with Pyxis, a constellation that represents a mariner's compass which points north). Its brightest star is Alpha Circini, with an apparent magnitude of 3.19. Slightly variable, it is the brightest rapidly oscillating Ap star in the night sky. AX Circini is a Cepheid variable visible with the unaided eye, and BX Circini is a faint star thought to ha

planetary nebula

open cluster in the constellation Circinus

supernova

closest Seyfert galaxy

star in the constellation Circinus

Wikimedia list article

pulsar in the Circinus constellation

star in the constellation Circinus

star in the constellation Circinus

binary star in the constellation Circinus

variable star

star in the constellation Circinus

star in the constellation Circinus

extrasolar planet

star in the constellation Circinus

star in the constellation Circinus