The Constellation Directory


"The Compass"


By IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg) [CC-BY-3.0], via Wikimedia Commons

Abbreviation: Cir
Genitive: Circini
Constellation family: Lacaille
Nearest constellations: Apus, Centaurus, Lupus, Musca, Norma, and Triangulum Australe
Right ascension: 15.08h
Declination: -59.02°
Visible between latitudes: +20° and -90°
Square degrees: 93
Luminary: Alpha Circini
Notable deep sky objects: NGC 5715, NGC 5823, Pismis 20, Circinus X-1, Circinus Galaxy


Circinus is a very small constellation in the Southern Hemisphere. It is best seen in June.

Circinus represents the type of compass used by navigators to measure distances. It was named by Nicolas Louis de Lacaille in the 1700s.


There is no mythology associated with this constellation.