Your guide to the Solar System and the night sky
By donating now you help keep this site alive and free from ads. Please consider supporting this project.
🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:48  ☀️ Transit: 13:04  🌅 Sunset: 19:21

ι Ceti (iota Ceti)

ι Ceti is a variable and multiple giant star in the constellation of Cetus.

ι Ceti visual magnitude is 3.56. Because of its moderate brightness, ι 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 ι Ceti:

ι Ceti (iota Ceti) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 20°.

Celestial coordinates and finder chart of ι Ceti

ι 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 ι Ceti are provided in the following table:

00h 19m 25s
-08° 49’ 26”

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

Finder chart ι Ceti (iota Ceti) star
Simplified finder chart for ι Ceti (iota Ceti).

Visibility of ι Ceti from your location

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

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

Azimuth: 98.8°
Max altitude: 29.7°
Azimuth: 261.2°
ι Ceti (iota Ceti) is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of ι Ceti

The image below is a photograph of ι 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 ι Ceti is -0.014 arcsec per year in Right Ascension and -0.036 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ι Ceti (iota Ceti) star
DSS2 image of ι Ceti. The red arrow shows the motion of ι Ceti during the next 10000 years (-2.33 arcmin in Right Ascension and -6.00 arcmin in declination);

Distance of ι Ceti from the Sun and relative movement

ι Ceti is distant 289.52 light years from the Sun and it is moving far from the Sun at the speed of 19 kilometers per second.

88.81 pc
289.52 ly
19 km/s
-0.014 arcsec/year
-0.036 arcsec/year

Spectral properties of ι Ceti

ι Ceti belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.


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

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

ι Ceti star system properties

ι 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 ι Ceti double sysyem:

108.8 arcsec

Alternative designations of ι Ceti

ι Ceti
(iota Ceti)