
| Type | Open Cluster |
|---|---|
| Magnitude | Right Ascension | 0h 43' (2000) |
| Declination | 60° 8' N |
| Constellation | Cassiopeia |
| Classification | IV 2m :b |
| Berkeley 3 | Dolidze 12 | HD 3283 |
| HD 3489 | King2 | NGC 189 |
| NGC 225 | PK121-2.1 |
Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.
A complete list of credits and sources can be found on the about page