// Constellation
Horologium
“Clock”
- Latin name
- Horologium (Hor)
- Best visibility
- evenings in December
- Fully visible between
- 23° N – 90° S
- Naked-eye stars
- 18
Horologium is highest in the evening sky (around 9 pm) in December. The whole constellation rises above the horizon between 23° N and 90° S. Its brightest star is α Hor at magnitude 3.85 — about 115 light-years away.
The brightest stars
| Star | Designation | Magnitude | Distance |
|---|---|---|---|
| — | α Hor | 3.85 | 115 ly |
| — | δ Hor | 4.93 | 179 ly |
| — | β Hor | 4.98 | 295 ly |
| — | μ Hor | 5.12 | 142 ly |
| — | ζ Hor | 5.21 | 160 ly |
| — | ν Hor | 5.25 | 165 ly |
More constellations
Star data: HYG database. Constellation borders: IAU.