By IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg) [CC-BY-3.0], via Wikimedia Commons
Constellation family: Lacaille
Nearest constellations: Apus, Centaurus, Lupus, Musca, Norma, and Triangulum Australe
Right ascension: 15.08h
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.
PSR B1509-58 (pulsar):
NGC 5315 (planetary nebula):
By Judy Schmidt [CC-BY-2.0], via Wikimedia Commons
IRAS 14568-6304 (a young star):