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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
SunriseRise: 5:43  
clear_day Transit: 12:56  
SunsetSet: 20:10
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All Constellations » Cetus » 

70 Ceti

Altitude: 30.1°   Azimuth: 220.8°   Direction: South-West

70 Ceti is a hypergiant star in the constellation of Cetus.

70 Ceti visual magnitude is 5.42. Because of its reltive faintness, 70 Ceti should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of 70 Ceti is -0.019 arcsec per year in Right Ascension and -0.048 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 70 Ceti star
DSS2 image of 70 Ceti. The red arrow shows the motion of 70 Ceti during the next 10000 years (-3.17 arcmin in Right Ascension and -8.00 arcmin in declination);

Key facts about 70 Ceti


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

Altitude: 30.1°
Azimuth: 220.8°
Direction: South-West

Celestial coordinates and finder chart of 70 Ceti

70 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 70 Ceti are provided in the following table:

02h 22m 12s
-00° 53’ 06”

The simplified sky map below shows the position of 70 Ceti in the sky:

Finder chart 70 Ceti star
Simplified finder chart for 70 Ceti.

Visibility of 70 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 70 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: 90.9°
Max altitude: 37.6°
Azimuth: 269.1°

Distance of 70 Ceti from the Sun and relative movement

70 Ceti is distant 279.11 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

85.62 pc
279.11 ly
20 km/s
-0.019 arcsec/year
-0.048 arcsec/year

Spectral properties of 70 Ceti

70 Ceti belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where 70 Ceti is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 70 Ceti. Attribution: Richard Powell / CC BY-SA

Alternative designations of 70 Ceti