Declination +63° 15′ 00″ Apparent magnitude (V) 7.0 | Right ascension 03 12 00 Distance 2250 ly (690 pc) | |
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Other designations Cl Harvard 1, C 0307+630 | ||
Trumpler 3 is a star cluster located in the constellation Cassiopeia. It has the visual magnitude of 7 and is the most famous star cluster in the Trumpler catalogue.
It has two bright stars, TYC 4053-658-1 and TYC 4053-466-1 of apparent magnitudes 10.16 and 10.02, respectively.
References
Trumpler 3 Wikipedia(Text) CC BY-SA