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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:58 
Sunset: 21:15
sunny   (Daytime)   What's Visible Now?

31 Cephei

Above the horizon.  Circumpolar today
Altitude: 45.2°   Azimuth: 337.1°   Direction: North-North-West

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.

Celestial coordinates and finder chart of 31 Cephei

Finder chart 31 Cephei star
Simplified finder chart for 31 Cephei.

31 Cephei is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 31 Cephei are provided in the following table:

22h 35m 46s
+73° 38’ 35”
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);

Key facts about 31 Cephei


and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 31 Cephei is situated in the HertzsprungÔÇôRussell diagram.

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

Distance of 31 Cephei from the Sun and relative movement

31 Cephei is distant 184.18 light years from the Sun

56.50 pc
184.18 ly
0.172 arcsec/year
0.023 arcsec/year

Alternative designations of 31 Cephei


Visibility of 31 Cephei from your location

31 Cephei is circumpolar and transits at 05:03 UTC (altitude: 67.8°)