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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:10 
Transit: 12:13 
Sunset: 17:18
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All Constellations » Perseus » 

30 Persei

Above the horizon.  Circumpolar today
Alt: 63.91°   Az: 268.63°   Direction: West

30 Persei is a main-sequence star of spectral class B8 in the constellation of Perseus.

30 Persei visual magnitude is 5.47. Because of its faintness, 30 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.

Image of 30 Persei star
DSS2 image of 30 Persei. The red arrow shows the motion of 30 Persei during the next 10000 years (5.33 arcmin in Right Ascension and -4.83 arcmin in declination);

Celestial Coordinates

Apparent

03h 19m 29s
+44° 06’ 56”
02h 31m 03s
05h 50m 32s

J2000

03h 17m 47s
+44° 01’ 29”

Galactic Coordinates

148.85°
-11.36°

Finder Chart

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Finder chart for 30 Persei.

Magnitude, Color, Spectral Class

5.47
Main-sequence

-1.01
B8V
10941K

The red dot in the diagram below shows where 30 Persei is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 30 Persei. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

30 Persei is distant 644.27 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

197.63
644.27
-1 km/s
0.032 arcsec/y
-0.029"/y

Alternative Designations

SAO38704
SAO38704

Visibility from Your Location

30 Persei is circumpolar and transits at 17:27 UTC (altitude: 82.6°)