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public LocationGreenwich, UK
Sunrise: 4:58 
Transit: 13:04 
Sunset: 21:09
sunny   (Daytime)   What's Visible Now?
All Constellations » Cetus » 

9 Ceti

Above the horizon.  Rise: 1:01 | Tran: 5:56 | Set: 10:51
Altitude: 20.2°   Azimuth: 214.5°   Direction: South-West

9 Ceti is a variable and double main-sequence star of spectral class G2 in the constellation of Cetus.

9 Ceti visual magnitude is 6.39. Because of its faintness, 9 Ceti 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.

9 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.

Image of 9 Ceti star
DSS2 image of 9 Ceti. The red arrow shows the motion of 9 Ceti during the next 1000 years (6.57 arcmin in Right Ascension and 1.02 arcmin in declination);

Apparent Coordinates

00h 24m 06s
-12° 04’ 24”

J2000 Coordinates

00h 22m 51s
-12° 12’ 33”

Galactic Coordinates


Finder Chart

Finder chart 9 Ceti star
Simplified finder chart for 9 Ceti.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where 9 Ceti is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 9 Ceti. Attribution: Richard Powell / CC BY-SA

Star System Properties

9 Ceti is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 9 Ceti double sysyem:

202.1 arcsec

Distance, Radial Speed, Proper Motion

9 Ceti is distant 66.46 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

20.39 pc
66.46 ly
-7 km/s
0.394 arcsec/y
0.061 "/y

Alternative Designations


Visibility from Your Location

Today's 9 Ceti rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 102.2°
Max altitude: 26.3°
Azimuth: 257.8°