The size of a constellation such as Grus (The Crane) is measured in square degrees and it is 365.513 sq. degrees in size. It takes up 0.89% of the night sky. It is the 45th largest constellation in the night sky.
It has 39 stars that have an apparent magnitude of 6.5 or lower. 6.5 is the faintest a star can be before it is no longer viewable with the naked eye. Of those bright stars, only 9 stars make up the constellation pattern.
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