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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sleep NighttimeWhat's Visible Now?
All Constellations » Cetus » 

κ1 Ceti (kappa1 Ceti)

Altitude: 12.6°   Azimuth: 259.4°   Direction: West

κ1 Ceti is a variable and multiple main-sequence star in the constellation of Cetus.

κ1 Ceti visual magnitude is 4.83. Because of its moderate brightness, κ1 Ceti should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about κ1 Ceti:


κ1 Ceti (kappa1 Ceti) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 12.6°
Azimuth: 259.4°
Direction: West

Celestial coordinates and finder chart of κ1 Ceti

κ1 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 κ1 Ceti are provided in the following table:

03h 19m 21s
+03° 22’ 13”

The simplified sky map below shows the position of κ1 Ceti in the sky:

Finder chart κ1 Ceti (kappa1 Ceti) star
Simplified finder chart for κ1 Ceti (kappa1 Ceti).

Visibility of κ1 Ceti from your location

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

Today's κ1 Ceti (kappa1 Ceti) rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 86.6°
Max altitude: 41.9°
Azimuth: 273.4°

Digitized Sky Survey image of κ1 Ceti

The image below is a photograph of κ1 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 κ1 Ceti is 0.271 arcsec per year in Right Ascension and 0.092 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of κ1 Ceti (kappa1 Ceti) star
DSS2 image of κ1 Ceti. The red arrow shows the motion of κ1 Ceti during the next 1000 years (4.52 arcmin in Right Ascension and 1.53 arcmin in declination);

Distance of κ1 Ceti from the Sun and relative movement

κ1 Ceti is distant 29.86 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

9.16 pc
29.86 ly
20 km/s
0.271 arcsec/year
0.092 arcsec/year

Spectral properties of κ1 Ceti

κ1 Ceti belongs to spectral class G5 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where κ1 Ceti is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of κ1 Ceti. Attribution: Richard Powell / CC BY-SA

κ1 Ceti star system properties

κ1 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 κ1 Ceti double sysyem:

268.7 arcsec

Alternative designations of κ1 Ceti

κ1 Ceti
(kappa1 Ceti)