1 Persei
Above the horizon.
Circumpolar today
Alt: 66.10°
Az: 294.97°
Direction: West-North-West
1 Persei is a variable main-sequence star of spectral class B1 in the constellation of Perseus.
1 Persei visual magnitude is 5.52. Because of its faintness, 1 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 1 Persei. The red arrow shows the motion of 1 Persei during the next
10000 years (2.33 arcmin in Right Ascension and -1.33 arcmin in declination);
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Simplified finder chart for 1 Persei.
Magnitude, Color, Spectral Class
Simplified finder chart for 1 Persei.
The red dot in the diagram below shows where 1 Persei is situated in the Hertzsprung–Russell diagram.
H-R diagram showing the position of 1 Persei.
Attribution: Richard Powell / CC BY-SA
Distance, Radial Speed, Proper Motion
1 Persei is distant 1,028.39 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.
Alternative Designations
Visibility from Your Location
1 Persei is circumpolar and transits at 01:55 UTC (altitude: 86.2°)