Monoceros is a Zodiacal constellation otherwise known as the Unicorn. It was introduced around 1612 by Petrus Plancius (Wikipedia). Monoceros remains one of the 88 modern constellations defined by the International Astronomical Union (Wikipedia).

Monoceros (abbrev. = Mon; genitive = Monocerotis) covers 482 square degrees or 1.17% of the celestial sphere making it the 35th largest constellation. It contains 138 stars brighter than apparent magnitude 6.5, the brightest star being Beta Monocerotis.

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

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