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: 12:58 
Sunset: 21:15
sunny   (Daytime)   What's Visible Now?

20 Ceti

Above the horizon.  Rise: 2:32 | Tran: 8:24 | Set: 14:16
Altitude: 28.1°   Azimuth: 225.0°   Direction: South-West

20 Ceti is a hypergiant star of spectral class M0 in the constellation of Cetus.

20 Ceti visual magnitude is 4.77. Because of its moderate brightness, 20 Ceti is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Celestial coordinates and finder chart of 20 Ceti

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

20 Ceti is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 20 Ceti are provided in the following table:

00h 53m 00s
-01° 08’ 39”
Image of 20 Ceti star
DSS2 image of 20 Ceti. The red arrow shows the motion of 20 Ceti during the next 10000 years (1.33 arcmin in Right Ascension and -2.83 arcmin in declination);

Key facts about 20 Ceti


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


The red dot in the diagram below shows where 20 Ceti is situated in the Hertzsprung–Russell diagram.

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

Distance of 20 Ceti from the Sun and relative movement

20 Ceti is distant 519.11 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

159.24 pc
519.11 ly
16 km/s
0.008 arcsec/year
-0.017 arcsec/year

Alternative designations of 20 Ceti


Visibility of 20 Ceti from your location

Today's 20 Ceti rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 91.1°
Max altitude: 37.4°
Azimuth: 268.9°