Observe perseus in the sky in real time in 3D. You will also be able to see the planets of the solar system, the Sun and the Moon. Navigate freely in the sky by clicking on the keys to move forward or backward in time. Discover its position and display the azimuth grid to find your way in the sky. The « screen » feature allows you to take a picture of the sky and download the image.

MARDI 7 JUILLET 2026 À 10:13 UTC+2

Observation of the Perseus constellation

Visualize in real time the position of the Perseus constellation in the sky.

General presentation

The constellation of Perseus is a bright constellation, visible mainly in autumn and winter in the northern hemisphere. It is famous for containing the variable star Algol as well as the Double Cluster of Perseus, one of the most beautiful deep sky objects accessible to binoculars.

Shape of the Perseus constellation

Its stars draw a long branched silhouette evoking the body, arms and legs of the character. Although this form requires a bit of imagination, several alignments of stars make it easy to recognize the constellation.

Stars of the Perseus constellation

StarMagnitudeDistanceEquatorial position J2000Current Equatorial PositionCurrent Horizontal Position at MarseilleLink
Mirfak1.806510 light yearsRight ascension :
3ʰ24ᵐ19.37ˢ
Declination : 49°51'19.37″		Right ascension :
3ʰ26ᵐ12.8782652152ˢ
Declination :
49°57′10.4723942171″		Azimut :
166.83168714923153°
Altitude :
83.1400543237708°
Algol2.392.8 light yearsRight ascension :
3ʰ8ᵐ10.1ˢ
Declination : 40°57'10.1″		Right ascension :
3ʰ9ᵐ53.714481735ˢ
Declination :
41°3′19.2582591376″		Azimut :
67.26745794125033°
Altitude :
84.6865009652063°
Gamma Persei2.91256 light yearsRight ascension :
3ʰ4ᵐ47.8ˢ
Declination : 53°30'47.8″		Right ascension :
3ʰ6ᵐ43.2315063511ˢ
Declination :
53°36′23.9677750195″		Azimut :
157.53576005160173°
Altitude :
78.62492931050377°
Delta Persei3.01527 light yearsRight ascension :
3ʰ42ᵐ55.5ˢ
Declination : 47°47'55.5″		Right ascension :
3ʰ44ᵐ48.5205505945ˢ
Declination :
47°52′11.8666924326″		Azimut :
-161.98583649147986°
Altitude :
85.16975682754524°
Epsilon Persei2.9540 light yearsRight ascension :
3ʰ57ᵐ51.2ˢ
Declination : 40°0'51.2″		Right ascension :
3ʰ59ᵐ37.6757687849ˢ
Declination :
40°5′6.5191928987″		Azimut :
-56.045576124503775°
Altitude :
84.53225641525063°
Zeta Persei2.911300 light yearsRight ascension :
3ʰ54ᵐ7.9ˢ
Declination : 31°53'7.9″		Right ascension :
3ʰ55ᵐ47.7062687767ˢ
Declination :
31°57′39.5171643336″		Azimut :
-20.718851661244205°
Altitude :
78.00579092007118°
Xi Persei4.041600 light yearsRight ascension :
3ʰ58ᵐ57.9ˢ
Declination : 35°47'57.9″		Right ascension :
4ʰ0ᵐ40.9263134343ˢ
Declination :
35°51′55.9755227699″		Azimut :
-34.73429844098785°
Altitude :
81.17379117132182°