Solving the Mystery of Messier 3’s Star Cluster

Messier 3 is located in the south-west corner of the constellation Canes Venatici (the Hunting Dogs), near the boundary with Bootes and Coma Berenices. In early May, it is about 90 minutes from culmination as nightfalls, riding high in the southern sky at an altitude of around 60°. It can be observed throughout May’s relatively […]

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