Coma Berenices shares border with Leo
Characteristics
Coma Berenices is bordered by Boötes to the east, Canes Venatici to the north, Leo to the west and Virgo to the south. Covering 386.5 square degrees and 0.937% of the night sky, it ranks 42nd of the 88 constellations by area. The three-letter abbreviation for the constellation, as adopted by the International Astronomical Union in 1922, is "Com". The official constellation boundaries, as set by Belgian astronomer Eugène Delporte in 1930, are defined by a polygon of 12 segments (illustrated in infobox). In the equatorial coordinate system, the right ascension coordinates of these borders lie between 11h 58m 25.09s and 13h 36m 06.94s, and the declination coordinates are between +13.30° and +33.31°. Coma Berenices is wholly visible to observers north of latitude 56°S. and the constellation's midnight culmination occurs on 2 April.
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