Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

10 Ceti

10 Ceti is a variable giant star in the constellation of Cetus.

10 Ceti visual magnitude is 6.19. Because of its reltive faintness, 10 Ceti should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 10 Ceti:

10 Ceti is above the horizon from Greenwich, United Kingdom [change]. Altitude: 34°.

Celestial coordinates and finder chart of 10 Ceti

10 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 10 Ceti are provided in the following table:

00h 26m 37s
-00° 02’ 58”

The simplified sky map below shows the position of 10 Ceti in the sky:

Finder chart 10 Ceti star
Simplified finder chart for 10 Ceti.

Visibility of 10 Ceti from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 10 Ceti rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 90.0°
Max altitude: 38.5°
Azimuth: 270.0°
10 Ceti is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 10 Ceti

The image below is a photograph of 10 Ceti from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 10 Ceti is 0.073 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 10 Ceti star
DSS2 image of 10 Ceti. The red arrow shows the motion of 10 Ceti during the next 10000 years (12.17 arcmin in Right Ascension and -0.17 arcmin in declination);

Distance of 10 Ceti from the Sun and relative movement

10 Ceti is distant 485.84 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

149.03 pc
485.84 ly
-23 km/s
0.073 arcsec/year
-0.001 arcsec/year

Spectral properties of 10 Ceti

10 Ceti belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 10 Ceti is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 10 Ceti. Attribution: Richard Powell / CC BY-SA

Alternative designations of 10 Ceti