Tonight's night sky — south horizon from your location
About this view
Naked-eye sky, looking south
This view shows the sky as you would see it standing outside and facing south: the horizon runs along the bottom, east is on the left and west on the right. Planets, the Moon, the bright stars and the constellation lines are drawn at their true altitude and azimuth for your location and the chosen time.
Positions are computed in your browser with Jean Meeus' Astronomical Algorithms: the VSOP87 theory for the planets, Meeus' lunar theory for the Moon, and the local sidereal time to turn sky coordinates into a direction above your horizon. The result is precise enough for naked-eye and binocular observing.
Press Play to watch the sky turn: stars rise in the east, cross the south at their highest point and set in the west, about four minutes earlier each night. Scroll or pinch to zoom in on a planet, as through a small telescope. The left menu toggles constellation shapes and names, the zodiac limits and the star names.
For the whole sky at once, from horizon to zenith, open the all-sky disk on the home page.
- All-sky disk — planets visible tonight
- Horizontal coordinates — altitude and azimuth
- Sidereal time
- Apparent magnitude
- Heliocentric 3D solar system
Réalisé par Laurent Remond
