equatorial skyBest Jul
Ophiuchus
The Serpent Bearergen. Ophiuchi
- Brightest
- Rasalhague
- Stars
- 150
- Best viewed
- July
- Sky center
- 260.0°, -5.0°
Alpha Ophiuchi
in catalog
from mid-latitudes
RA / Dec
Live 3D view
150 stars
pinch · drag
α · Brightest
Rasalhague
Mythology
Asclepius, the healer, whose serpent-entwined staff became medicine's symbol. The 'thirteenth' zodiac sign — the ecliptic passes through Ophiuchus, though it's not included in traditional astrology.
Brightest stars
top 8 of 150| Star | Bayer | Magnitude | B−V |
|---|---|---|---|
Rasalhague | 55Alp Oph | 2.08 | 0.15 |
Sabik | 35Eta Oph | 2.43 | 0.06 |
13Zet Oph | — | 2.54 | 0.04 |
Yed Prior | 1Del Oph | 2.73 | 1.58 |
Cebalrai | 60Bet Oph | 2.76 | 1.17 |
27Kap Oph | — | 3.19 | 1.16 |
Yed Posterior | 2Eps Oph | 3.23 | 0.97 |
42The Oph | — | 3.27 | -0.19 |
- Rasalhague55Alp Oph2.08mag
- Sabik35Eta Oph2.43mag
- 13Zet Oph2.54mag
- Yed Prior1Del Oph2.73mag
- Cebalrai60Bet Oph2.76mag
- 27Kap Oph3.19mag
- Yed Posterior2Eps Oph3.23mag
- 42The Oph3.27mag
Lower magnitude = brighter. B−V color index maps to star color (bluer cooler, redder warmer).