3 Persei
Above the horizon.
Circumpolar today
Alt: 12.80°
Az: 15.57°
Direction: North-North-East
3 Persei is a hypergiant star of spectral class K0 in the constellation of Perseus.
3 Persei visual magnitude is 5.69. Because of its faintness, 3 Persei is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.
DSS2 image of 3 Persei. The red arrow shows the motion of 3 Persei during the next
10000 years (1.67 arcmin in Right Ascension and 6.33 arcmin in declination);
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Simplified finder chart for 3 Persei.
Magnitude, Color, Spectral Class
Simplified finder chart for 3 Persei.
The red dot in the diagram below shows where 3 Persei is situated in the Hertzsprung–Russell diagram.
H-R diagram showing the position of 3 Persei.
Attribution: Richard Powell / CC BY-SA
Distance, Radial Speed, Proper Motion
3 Persei is distant 246.04 light years from the Sun
Alternative Designations
Visibility from Your Location
3 Persei is circumpolar and transits at 02:37 UTC (altitude: 87.8°)