We use cookies to deliver essential features and to measure their performance. Learn more.
Keep TheSkyLive Going! Donate Now!
public LocationGreenwich, UK
Sunrise: 5:14 
Transit: 13:06 
Sunset: 20:58
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Cetus » 

27 Ceti

Above the horizon.  Rise: 0:45 | Tran: 5:57 | Set: 11:05
Alt: 18.92°   Az: 136.13°   Direction: South-East

27 Ceti is a hypergiant star of spectral class K0 in the constellation of Cetus.

27 Ceti visual magnitude is 6.12. Because of its faintness, 27 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.

Image of 27 Ceti star
DSS2 image of 27 Ceti. The red arrow shows the motion of 27 Ceti during the next 10000 years (-5.67 arcmin in Right Ascension and -5.50 arcmin in declination);

Celestial Coordinates


01h 06m 50s
-09° 50’ 53”
21h 13m 09s
22h 19m 59s


01h 05m 36s
-09° 58’ 45”

Galactic Coordinates


Finder Chart

Finder chart 27 Ceti star
Simplified finder chart for 27 Ceti.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where 27 Ceti is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 27 Ceti. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

27 Ceti is distant 308.13 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

12 km/s
-0.034 arcsec/y

Alternative Designations


Visibility from Your Location

Today's 27 Ceti rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 99.8°
Max altitude: 28.7°
Azimuth: 260.2°