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Sky-Tonight.com / Constellations / Perseus
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Observation Settings

Or select it on the map:
This Earth map lets you select the observer’s location used to calculate the bearing and elevation of celestial objects. The selected point determines how the sky, rise and set times, and object positions are shown.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

Perseus Constellation

Double-click to unlock the map.
Perseus, named after the Greek hero, is a constellation known for the Perseid meteor shower and the star Algol, also called the Demon Star.

Perseus Rise and Set Timetable

TimeElevation
Perseus rise14:48
Sunset16:3610°
Civil sunset17:0313°
Twilight start (−12°)17:3317°
Perseus transit00:4179°
Astronomical observing session begins02:0372°
Astronomical observing session ends04:1550°
Civil sunrise04:4645°
Sunrise05:1341°
Moonrise, 0.3% illuminated 06:2130°
Perseus set10:35
Moonset16:5513°

Track Perseus position throughout the night

← 11 October 2026 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe Perseus changing position in the night sky.

Annual motion of Perseus

Time
DateMon, 12 October 2026
Twilight start17:58
Twilight end03:40
Twilight duration10h 42m
Rise14:44
Set10:31
Elevation at transit79°
Transit time00:38
Equatorial coordinatesRA: 02h 54m 09s", Dec: 48° 15' 13s