The D Cluster (Collinder 21) is an asterism located in the northern constellation Triangulum. It appears near Mothallah (Alpha Trianguli), one of the three bright… Read More »D Cluster (Collinder 21): A Star Pattern in Triangulum
The Circlet of Pisces is a relatively faint asterism located in the western part of the constellation Pisces. The ring of seven stars represents the… Read More »Circlet of Pisces: Head of the Western Fish
The Big Dipper is an asterism formed by seven bright stars in the northern circumpolar constellation Ursa Major, the Great Bear. It is one of… Read More »Big Dipper: Northern Sky’s Timeless Guide
The Coathanger is an asterism located in the northern constellation Vulpecula (the Fox). With an apparent magnitude of 3.6 and an apparent size of 60… Read More »The Coathanger (Brocchi’s Cluster)
Orion’s Sword is a prominent asterism located below the brighter Orion’s Belt in the constellation Orion. It is part of the recognizable constellation figure representing… Read More »Orion’s Sword
The Fish Hook is an asterism formed by about a dozen bright stars in the constellation Scorpius. The curved star pattern forms the heart, body,… Read More »The Fish Hook
Spica’s Spanker is a quadrilateral asterism formed by the brightest stars in Corvus. Also known as the Sail, the asterism appears near Spica, the brightest… Read More »Spica’s Spanker