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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:56 
Transit: 12:56 
Sunset: 20:58
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All Constellations » Cepheus » 

31 Cephei

Above the horizon.  Circumpolar today
Alt: 65.42°   Az: 16.26°   Direction: North-North-East

31 Cephei is a giant star of spectral class F3 in the constellation of Cepheus.

31 Cephei visual magnitude is 5.08. Because of its faintness, 31 Cephei 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 31 Cephei star
DSS2 image of 31 Cephei. The red arrow shows the motion of 31 Cephei during the next 1000 years (2.87 arcmin in Right Ascension and 0.38 arcmin in declination);

Celestial Coordinates

Apparent

22h 36m 22s
+73° 46’ 30”
22h 21m 26s
20h 57m 48s

J2000

22h 35m 46s
+73° 38’ 35”

Galactic Coordinates

113.64°
13.27°

Finder Chart

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Finder chart for 31 Cephei.

Magnitude, Color, Spectral Class

5.08
Giant

1.32
F3III
6934K

The red dot in the diagram below shows where 31 Cephei is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 31 Cephei. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

31 Cephei is distant 184.18 light years from the Sun

56.50
184.18
0.172 arcsec/y
0.023"/y

Alternative Designations

SAO10425
SAO10425

Visibility from Your Location

31 Cephei is circumpolar and transits at 06:23 UTC (altitude: 67.7°)