An asterism is an observed pattern or group of stars in the sky. Asterisms can be any identified star pattern, and therefore are a more general concept than the 88 formally defined constellations. Con
The bright stars in this photo form the asterism Brocchi's Cluster in the constellation Vulpecula, also known as "The Coathanger."
Three Leaps of the Gazelle asterism
The "Teapot" asterism in Sagittarius. The Milky Way appears as "steam" coming from the spout.
The "37" or "LE" of NGC 2169, in Orion. It is visible with binoculars.
Orion's Belt is an asterism in the constellation of Orion. Other names include the Belt of Orion, the Three Kings, and the Three Sisters. The belt consists of three bright and easily identifiable coll
Asterism (astronomy)
…perspectives of their observations. For example the Summer Triangle is a purely observational, physically unrelated group of stars, but the stars of Orion's Belt are all members of the Orion OB1 association and five of the seven stars of the Big Dipper are members of the Ursa Major Moving Group. Physical…
Orion's Belt and nebulosity, including the Flame Nebula (left) and Horsehead Nebula (lower left) named after a relatively small dark cloud, rotated 90° somewhat resembling a seahorse
In this broader view, the belt (the line of three stars in the center) is seen in relation to nearby features in Orion.
Dunhuang Star Atlas – Orion
Orion's belt at top left, Orion's sword at bottom right