Alnitak
- Proper Name:
- Alnitak
- Bayer:
- ζ Ori
- Bayer Long
- Zeta Orionis
- Flamsteed:
- 50 Orionis
- Meade Star Number:
- 53
- SAO:
- 132444
- HR:
- 1948
- HD:
- 37742
- DM:
- BD-02 1338
- GC:
- 7089
- Right Ascention:
- 5h 40m 45.524s
- Declination:
- -1° 56' 33.53"
- Magnitude:
- 2.0
- Spectral Type:
- O9.7Ib
- Constellation:
- Orion
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