Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 5:52  ☀️ Transit: 12:04  🌅 Sunset: 18:18

50 Ceti

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

50 Ceti visual magnitude is 5.42. Because of its reltive faintness, 50 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 50 Ceti:

50 Ceti is above the horizon from Greenwich, United Kingdom [change]. Altitude: 20°.

Celestial coordinates and finder chart of 50 Ceti

50 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 50 Ceti are provided in the following table:

01h 35m 58s
-15° 24’ 01”

The simplified sky map below shows the position of 50 Ceti in the sky:

Finder chart 50 Ceti star
Simplified finder chart for 50 Ceti.

Visibility of 50 Ceti from your location

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

Today's 50 Ceti rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 105.4°
Max altitude: 23.1°
Azimuth: 254.6°
50 Ceti is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 50 Ceti

The image below is a photograph of 50 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 50 Ceti is 0.023 arcsec per year in Right Ascension and 0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 50 Ceti star
DSS2 image of 50 Ceti. The red arrow shows the motion of 50 Ceti during the next 10000 years (3.83 arcmin in Right Ascension and 1.83 arcmin in declination);

Distance of 50 Ceti from the Sun and relative movement

50 Ceti is distant 548.82 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.

168.35 pc
548.82 ly
24 km/s
0.023 arcsec/year
0.011 arcsec/year

Spectral properties of 50 Ceti

50 Ceti belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 50 Ceti is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 50 Ceti. Attribution: Richard Powell / CC BY-SA

Alternative designations of 50 Ceti