Capricornus is a Zodiacal constellation otherwise known as the Sea Goat. It is one of the 48 Greek constellations originally described by the 2nd century astronomer Claudius Ptolemy (Wikipedia). Capricornus remains one of the 88 modern constellations defined by the International Astronomical Union (Wikipedia).

Capricornus (abbrev. = Cap; genitive = Capricorni) covers 414 square degrees or 1.00% of the celestial sphere making it the 40th largest constellation. It contains 81 stars brighter than apparent magnitude 6.5, the brightest star being Deneb Algiedi. See the Capricornus Star Chart for a figure illustrating this constellation including the identification of its brighter stars.

For more information see the entries for Capricornus at Wikipedia and U. Wisconsin. For a chart of Capricornus, see Cap (IAU).

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