Rasalhague
- Proper Name:
- Rasalhague
- Bayer:
- α Oph
- Bayer Long
- Alpha Ophiuchii
- Flamsteed:
- 55 Ophiuchii
- Meade Star Number:
- 200
- SAO:
- 102932
- HR:
- 6556
- HD:
- 159561
- DM:
- BD+12 3252
- GC:
- 23837
- Right Ascention:
- 17h 34m 56.075s
- Declination:
- +12° 33' 36.21"
- Magnitude:
- 2.1
- Spectral Type:
- A5III
- Constellation:
- Ophiuchus
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