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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: 7:54  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Cetus » 

57 Ceti

Altitude: -1.3°   Azimuth: 122.9°   Direction: East-South-East

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

57 Ceti visual magnitude is 5.41. Because of its reltive faintness, 57 Ceti should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 57 Ceti:


57 Ceti is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -1.3°
Azimuth: 122.9°
Direction: East-South-East

Celestial coordinates and finder chart of 57 Ceti

57 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 57 Ceti are provided in the following table:

01h 59m 46s
-20° 49’ 27”

The simplified sky map below shows the position of 57 Ceti in the sky:

Finder chart 57 Ceti star
Simplified finder chart for 57 Ceti.

Visibility of 57 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 57 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: 110.8°
Max altitude: 17.7°
Azimuth: 249.2°

Digitized Sky Survey image of 57 Ceti

The image below is a photograph of 57 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 57 Ceti is 0.008 arcsec per year in Right Ascension and 0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 57 Ceti star
DSS2 image of 57 Ceti. The red arrow shows the motion of 57 Ceti during the next 10000 years (1.33 arcmin in Right Ascension and 3.17 arcmin in declination);

Distance of 57 Ceti from the Sun and relative movement

57 Ceti is distant 668.03 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

204.92 pc
668.03 ly
-15 km/s
0.008 arcsec/year
0.019 arcsec/year

Spectral properties of 57 Ceti

57 Ceti belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 57 Ceti is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 57 Ceti. Attribution: Richard Powell / CC BY-SA

Alternative designations of 57 Ceti