Caldwell 10 and Messier 103, Sep’24

Four open star clusters in Cassiopeia: among others, Caldwell 10 and Messier 103. A truly beautiful frame with simply stunning stars.

Messier 103

Messier 103, a young open star cluster located in the constellation Cassiopeia, approximately 8,000 light-years away, encompasses a group of about 40 blue and white stars, reaching its annual culmination around astronomical midnight mid October.

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