Constellations

88 official constellations

Explore the 88 official constellations recognized by the International Astronomical Union (IAU). Each constellation contains stars, deep-sky objects, and rich historical significance.

Rank	Constellation	Chinese	Abbr.	Genitive	Area (sq. deg.)	% of sky	Brightest star	Magnitude

Quick Facts

88

Official Constellations

41,253

Total Sky Area (sq. deg.)

1919

IAU Founded

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