Tag: Caldwell 10

Caldwell 10

Caldwell 10 / NGC 663, Open Cluster, Astrophotography
Caldwell 10 · NGC 663 · Melotte 11 · © Thomas Hanrath, CC BY-NC-ND 4.0

C 10 is an open star cluster in the constellation Cassiopeia, located roughly 6,370 light-years away, and reaches its annual culmination at astronomical midnight and is best observed mid October.

Caldwell 10 and Messier 103, Sep’24

M103 v2.3.1 hr
Messier 103 - M103 - NGC 581 - Melotte 8 / Caldwell 10 - C10 - NGC 663 - Melotte 11 / NGC 654 - Melotte 9 / NGC 659 - Melotte 10 // © 2025 · Thomas Hanrath · CC BY-NC-ND 4.0 · no edits · no commercial use

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