// Constellation
Serpens
“Serpent”
- Latin name
- Serpens (Ser)
- Best visibility
- evenings in August
- Fully visible between
- 74° N – 84° S
- Naked-eye stars
- 65
Serpens is highest in the evening sky (around 9 pm) in August. The whole constellation rises above the horizon between 74° N and 84° S. Its brightest star is Unukalhai at magnitude 2.63 — about 74 light-years away.
The brightest stars
| Star | Designation | Magnitude | Distance |
|---|---|---|---|
| Unukalhai | α Ser | 2.63 | 74 ly |
| — | η Ser | 3.23 | 60 ly |
| — | μ Ser | 3.54 | 170 ly |
| — | ξ Ser | 3.54 | 105 ly |
| — | β Ser | 3.65 | 155 ly |
| — | ε Ser | 3.71 | 70 ly |
More constellations
Star data: HYG database. Constellation borders: IAU.