Perseus OB1 is an OB association in the Northern Celestial Hemisphere in the constellation Perseus.
It is centered around the double cluster (NGC 869 and NGC 884),[6] and has lent its name to the Perseus Arm of the Milky Way.
[8] The brightest member of the association is the blue supergiant 9 Persei.
[4] This star cluster–related article is a stub.
You can help Wikipedia by expanding it.