// Constellation
Hercules
- Latin name
- Hercules (Her)
- Best visibility
- evenings in July
- Fully visible between
- 90° N – 39° S
- Naked-eye stars
- 136
Hercules is highest in the evening sky (around 9 pm) in July. The whole constellation rises above the horizon between 90° N and 39° S. Its brightest star is Kornephoros at magnitude 2.78 — about 139 light-years away.
The brightest stars
| Star | Designation | Magnitude | Distance |
|---|---|---|---|
| Kornephoros | β Her | 2.78 | 139 ly |
| Rasalgethi | α¹ Her | 2.78 | 360 ly |
| — | ζ Her | 2.81 | 35 ly |
| Sarin | δ Her | 3.12 | 75 ly |
| — | π Her | 3.16 | 377 ly |
| — | μ Her | 3.42 | 27 ly |
More constellations
Star data: HYG database. Constellation borders: IAU.