The Winter Hexagon

Explanation: Some of the brightest stars form a large and easily found pattern in the winter sky of Earth 's northern hemisphere . Dubbed the Winter Hexagon , the stars involved can usually be identified even in the bright night skies of a big city . The six stars that compose the Winter Hexagon are Aldebaren , Capella , Castor , Procyon , Rigel , and Sirius . Rolling your cursor over the above image will identify them. The Winter Hexagon asterism engulfs several constellations including Orion and Canis Major .