Auriga (constellation) horizon. A large constellation, with an area of 657 square degrees, it is half the size of the largest constellation, Hydra. Its brightest star, Capella, is an unusual multiple star system among the brightest stars in the night sky. Beta Aurigae is an interesting variable star in the constellation; Epsilon Aurigae, a nearby eclipsing binary with an unusually long period, has been studied intensively. Because of its position near the winter Milky Way, Auriga has many bright open clusters in its borders, including M36, M37, and M38, popular targets for amateur astronomers. In addition, it has one prominent nebula, the
Cancer (constellation) as a lobster. Richard Allen, in "Star-names and Their Meanings", lists names for the constellation as follows: In Ancient Greece, Aratus called the crab "Καρκινος" ("Karkinos"), which was followed by Hipparchus and Ptolemy. The Alfonsine tables called it "Carcinus", a Latinized form of the Greek word. Eratosthenes extended this as "Καρκινος", "Ονοι", "και Φατνη" ("Karkinos", "Onoi", "kai Fatne"): the Crab, Asses, and Crib. In Ancient Rome, Manilius and Ovid called the constellation "Litoreus" (shore-inhabiting). "Astacus" and "Cammarus" appear in various classic writers, while it is called "Nepa" in Cicero's "De Finibus" and the works of Columella, Plautus, and Varro; all