Zeta Cephei
- Bayer:
- ζ Cep
- Bayer Long
- Zeta Cephei
- Flamsteed:
- 21 Cephei
- SAO:
- 34137
- HR:
- 8465
- HD:
- 210745
- DM:
- BD+57 2475
- GC:
- 31044
- Right Ascention:
- 22h 10m 51.287s
- Declination:
- +58° 12' 4.43"
- Magnitude:
- 3.6
- Spectral Type:
- K1.5Ib
- Constellation:
- Cepheus
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