
| Type | Open Cluster |
|---|---|
| Magnitude | Right Ascension | 0h 32' 56" (2000) |
| Declination | 61° 51' 34" N |
| Constellation | Cassiopeia |
| Classification | IV 2p :b |
| Berkeley 2 | Berkeley 3 | Dolidze 12 |
| HD 2626 | HD 3283 | HD 3489 |
| Kappa Cassiopeiae | King 14 | NGC 103 |
| NGC 129 | NGC 133 | NGC 136 |
| NGC 146 | NGC 189 | PK121+0.1 |
| PK121-2.1 | Stock 20 |
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