Open Cluster M103

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This article is about the open cluster. For the New York City bus route, please see 100th Street Bus Depot. For the tank, please see M103 heavy tank

NGC 581

Open Cluster M103 (also known as Messier Object 103, Messier 103, M103, or NGC 581) is an open cluster in the Cassiopeia constellation. It was discovered by Pierre Méchain in 1781. M103 is at a distance of about 8,000 light-years away from Earth.

External links

[Open Cluster M103 @ SEDS Messier pages]

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