Equuleus

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AbbreviationEqu
MeaningLittle Horse
Pronunciation Guide is based on “Pronouncing Astronomical Names,” published in 1943 by the American Astronomical Society.ih-KWOO-lee-us
Genitive The genitive is the Latin possessive form used in star names. For example, Alpha Orionis means “the Alpha of Orion.”ih-KWOO-lee-eye
Best MonthSeptember
VisibilityGlobal
OriginAncientThese figures are rooted in the classical Greek and Mesopotamian traditions cataloged by Ptolemy in the 2nd century AD.
AuthorPtolemyPtolemy, a 2nd-century Greco-Egyptian astronomer, cataloged the 48 classical constellations in his landmark work, the Almagest. These form the core of the 88 modern constellations recognized today.
Typeconstellation
DifficultyExpert
DescriptionThe Little Horse is the second smallest constellation and one of the most ancient — appearing in Ptolemy's original 2nd-century catalog. It represents Celeris, the brother of the great winged horse Pegasus, gifted by Hermes to Pelops; some traditions say it is the foal of the wind-horse given to Castor by Mercury. Despite its tiny size and lack of bright stars it has been recognized as a distinct constellation for over 2,000 years. The brightest star, Kitalpha (Alpha Equulei), meaning 'part of the horse' in Arabic, is a binary system about 186 light-years away — a yellow giant orbited by a smaller companion every 98.8 years.

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