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: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:10 south
wb_twilight Nautical TwilightWhat's Visible Now
All Constellations » Cetus » 

61 Ceti

Altitude: -3.5°   Azimuth: 86.1°   Direction: East

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

61 Ceti visual magnitude is 5.93. Because of its reltive faintness, 61 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 61 Ceti:

Bright giant

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

Altitude: -3.5°
Azimuth: 86.1°
Direction: East

Celestial coordinates and finder chart of 61 Ceti

61 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 61 Ceti are provided in the following table:

02h 03m 48s
-00° 20’ 25”

The simplified sky map below shows the position of 61 Ceti in the sky:

Finder chart 61 Ceti star
Simplified finder chart for 61 Ceti.

Visibility of 61 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 61 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: 90.3°
Max altitude: 38.2°
Azimuth: 269.7°
61 Ceti is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 61 Ceti

The image below is a photograph of 61 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 61 Ceti is 0.079 arcsec per year in Right Ascension and -0.046 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 61 Ceti star
DSS2 image of 61 Ceti. The red arrow shows the motion of 61 Ceti during the next 10000 years (13.17 arcmin in Right Ascension and -7.67 arcmin in declination);

Distance of 61 Ceti from the Sun and relative movement

61 Ceti is distant 329.63 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.

101.11 pc
329.63 ly
24 km/s
0.079 arcsec/year
-0.046 arcsec/year

Spectral properties of 61 Ceti

61 Ceti belongs to spectral class G5 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where 61 Ceti is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 61 Ceti. Attribution: Richard Powell / CC BY-SA

61 Ceti star system properties

61 Ceti is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 61 Ceti double sysyem:

42.9 arcsec

Alternative designations of 61 Ceti