Grus, a constellation of the southern sky between Piscis Austrinus and Tucana, was introduced at the end of the 17th century by the Dutch navigator—astronomers Pieter Dirkszoon Keyser and Frederick de Houtman. It represents a long-necked wading bird, the crane.

features of interest

BETA (P) gruis 2 1 A variable red giant whose brightness ranges from magnitude 2.0 to 2.3 with no set period.

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