81 Ceti is a giant star in the constellation of Cetus.
81 Ceti visual magnitude is 5.65. Because of its reltive faintness, 81 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 81 Ceti:
Celestial coordinates and finder chart of 81 Ceti
81 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 81 Ceti are provided in the following table:
The simplified sky map below shows the position of 81 Ceti in the sky:
Visibility of 81 Ceti from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's 81 Ceti rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of 81 Ceti
The image below is a photograph of 81 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 81 Ceti is 0.041 arcsec per year in Right Ascension and -0.045 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of 81 Ceti from the Sun and relative movement
81 Ceti is distant 316.81 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.
Spectral properties of 81 Ceti
81 Ceti belongs to spectral class G5
The red dot in the diagram below shows where 81 Ceti is situated in the Hertzsprung–Russell diagram.