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Sky-Tonight.com / Constellations / Perseus
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Observation Settings

Or select it on the map:
This Earth map fragment is intended to illustrate celestial motion across the sky, emphasizing both bearing and elevational perspectives. The map's center point corresponds to the transit, showcasing celestial objects at their highest point, while elevation gradually decreases towards the map edges. This dynamic representation offers insights into the changing positions of celestial bodies with a focus on their bearing and elevational trajectories.
Your location: Columbus, United States
Timezone:
Latitude:
39.9625
Longitude:
-83.0061

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
Moon Rise, 0.3% illuminated06:0328°
Sunset20:498°
Civil sunset21:235°
Moon Set22:122°
Astrosession begin01:02-1°
Perseus Rise01:22
Astrosession end04:5520°
Civil sunrise05:3525°
Sunrise06:0830°
Perseus Transit12:0082°

Track Perseus Position Throughout the Night

← Wed, 28 May 2025 →

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
DateThu, 29 May 2025
Twighlight start22:48
Twighlight end04:08
Twighlight duration5h 19m
Rise01:18
Set22:34
Elevation at transit82°
Transit time11:56
Equatorial coordinatesRA: 02h 54m 09s", Dec: 48° 15' 13s
Magnitude-
Constellation
The graph illustrates the annual visibility pattern of a Perseus, providing a comprehensive overview of its daily appearances and transit times throughout the year.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the Perseus is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.

Acknowledgements

We gratefully acknowledge the International Astronomical Union (IAU) for defining and standardizing the official constellation boundaries, which provide a consistent framework for celestial mapping.

Special thanks to Sky & Telescope Magazine and contributors Roger Sinnott and Rick Fienberg for their collaboration in producing the charts and tables. The constellation patterns, drawn by Alan MacRobert, were influenced by the work of H. A. Rey and thoughtfully adjusted to align with earlier traditions.