Capricornus is a constellation commonly represented in the form of a sea-goat, a mythical creature that is half goat, half fish. One of the 88 modern constellations, Capricornus was also one of the 48 constellations listed by the 2nd century astronomer Ptolemy. The constellation is located in an area of sky called the Sea or the Water, consisting of many water-related constellations such as Aquarius, Pisces and Eridanus. It is the smallest constellation in the zodiac.
This illustration was included in Urania's Mirror, a set of celestial cards illustrated by Sidney Hall.Illustration: Sidney Hall; restoration: Adam Cuerden