Cosmos Explorer

Interactive night sky

Positions come from the Astronomy Engine ephemeris for your exact coordinates and the chosen instant. Drag to look around, scroll or pinch to zoom, tap an object for details.

Looking S · altitude 45° · zoom 1.0×

Choose your observing location

Your city lets us calculate tonight’s local sunset, Moon, planets, and best objects. It stays saved on this device.

Optional — precise GPS is not required.
Enter coordinates instead

Object information

Tap any star, planet or deep-sky marker on the map to see its coordinates, magnitude and rise/set times.

Constellations up now

Ranked by current altitude from your location at the selected time.

Pegasus

Visible

Direction: SE

Current altitude: 74°

Highest tonight: 77°

Best around: 19:33

Equuleus

Visible

Direction: SSW

Current altitude: 72°

Highest tonight: 73°

Best around: 18:36

Lacerta

Visible

Direction: NNE

Current altitude: 67°

Highest tonight: 72°

Best around: 20:03

Cygnus

Visible

Direction: NNW

Current altitude: 65°

Highest tonight: 69°

Best around: 17:45

Delphinus

Visible

Direction: SW

Current altitude: 63°

Highest tonight: 67°

Best around: 17:51

Vulpecula

Visible

Direction: W

Current altitude: 63°

Highest tonight: 82°

Best around: 16:57

Andromeda

Visible

Direction: NE

Current altitude: 58°

Highest tonight: 76°

Best around: 21:18

Sagitta

Visible

Direction: WSW

Current altitude: 58°

Highest tonight: 79°

Best around: 16:39