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Crux (Cross)

Month Best Visible


Hemisphere Visible


Three of the five main Crux stars—Acrux, Mimosa, and Delta Crucis—are co-moving B-type members of the Scorpius-Centaurus Association. Within Crux The Coalsack Nebula is the most prominent dark nebula in the skies, easily visible to the naked eye as a big dark patch in the southern Milky Way.

As a highly distinctive asterism, Crux has great significance in the cultures of the southern hemisphere. Crux was visible to the Ancient Greeks, who regarded it as part of the constellation Centaurus.

Neighbouring Constellations

Musca (Fly)

Centaurus (Centaur)

Picture of Crux