We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
Help keep this site free and ads-free: donate now!
public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:16
sunny   (Daytime)   What's Visible Now?

20 Cephei

Above the horizon.  Circumpolar today
Altitude: 78.4°   Azimuth: 348.8°   Direction: North

20 Cephei is a variable giant star of spectral class K4 in the constellation of Cepheus.

20 Cephei visual magnitude is 5.27. Because of its faintness, 20 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 20 Cephei

Finder chart 20 Cephei star
Simplified finder chart for 20 Cephei.

20 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 20 Cephei are provided in the following table:

22h 05m 00s
+62° 47’ 08”
Image of 20 Cephei star
DSS2 image of 20 Cephei. The red arrow shows the motion of 20 Cephei during the next 10000 years (2.50 arcmin in Right Ascension and 9.67 arcmin in declination);

Key facts about 20 Cephei


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


The red dot in the diagram below shows where 20 Cephei is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of 20 Cephei. Attribution: Richard Powell / CC BY-SA

Distance of 20 Cephei from the Sun and relative movement

20 Cephei is distant 318.05 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

97.56 pc
318.05 ly
-21 km/s
0.015 arcsec/year
0.058 arcsec/year

Alternative designations of 20 Cephei


Visibility of 20 Cephei from your location

20 Cephei is circumpolar and transits at 04:29 UTC (altitude: 78.7°)