Messier 37
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Messier 37 (also known as M37 or NGC 2099) is the richest open cluster in the Auriga constellation. It was discovered by Giovanni Batista Hodierna before 1654.
Messier 37 (also known as M37 or NGC 2099) is the richest open cluster in the Auriga constellation. It was discovered by Giovanni Batista Hodierna before 1654.