Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:46  
clear_day Transit: 12:56  
SunsetSet: 21:07 south
sunny DaytimeWhat's Visible Now
All Constellations » Cetus » 

56 Ceti

Altitude: 13.0°   Azimuth: 202.7°   Direction: South-South-West

56 Ceti is a giant star in the constellation of Cetus.

56 Ceti visual magnitude is 4.85. Because of its moderate brightness, 56 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 56 Ceti:


56 Ceti is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 13.0°
Azimuth: 202.7°
Direction: South-South-West

Celestial coordinates and finder chart of 56 Ceti

56 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 56 Ceti are provided in the following table:

01h 56m 40s
-22° 31’ 36”

The simplified sky map below shows the position of 56 Ceti in the sky:

Finder chart 56 Ceti star
Simplified finder chart for 56 Ceti.

Visibility of 56 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 56 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: 112.5°
Max altitude: 16.0°
Azimuth: 247.5°
56 Ceti is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 56 Ceti

The image below is a photograph of 56 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 56 Ceti is 0.062 arcsec per year in Right Ascension and -0.029 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 56 Ceti star
DSS2 image of 56 Ceti. The red arrow shows the motion of 56 Ceti during the next 10000 years (10.33 arcmin in Right Ascension and -4.83 arcmin in declination);

Distance of 56 Ceti from the Sun and relative movement

56 Ceti is distant 398.53 light years from the Sun and it is moving far from the Sun at the speed of 27 kilometers per second.

122.25 pc
398.53 ly
27 km/s
0.062 arcsec/year
-0.029 arcsec/year

Spectral properties of 56 Ceti

56 Ceti belongs to spectral class K4 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 56 Ceti is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 56 Ceti. Attribution: Richard Powell / CC BY-SA

Alternative designations of 56 Ceti