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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:17
wb_twilight   (Civil Twilight)   What's Visible Now?

θ Cancri (theta Cancri)

Below the horizon.  Rise: 8:03 | Tran: 15:38 | Set: 23:12
Altitude: -19.4°   Azimuth: 14.0°   Direction: North-North-East

θ Cancri is a variable and multiple giant star of spectral class K5 in the constellation of Cancer.

θ Cancri visual magnitude is 5.35. Because of its faintness, θ Cancri is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of θ Cancri

Finder chart θ Cancri (theta Cancri) star
Simplified finder chart for θ Cancri (theta Cancri).

θ Cancri 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 θ Cancri are provided in the following table:

08h 31m 35s
+18° 05’ 39”
Image of θ Cancri (theta Cancri) star
DSS2 image of θ Cancri. The red arrow shows the motion of θ Cancri during the next 10000 years (-10.17 arcmin in Right Ascension and -9.67 arcmin in declination);

Key facts about θ Cancri


and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where θ Cancri is situated in the Hertzsprung–Russell diagram.

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

Distance of θ Cancri from the Sun and relative movement

θ Cancri is distant 493.94 light years from the Sun and it is moving far from the Sun at the speed of 45 kilometers per second.

151.52 pc
493.94 ly
45 km/s
-0.061 arcsec/year
-0.058 arcsec/year

Alternative designations of θ Cancri

θ Cancri
(theta Cancri)

Visibility of θ Cancri from your location

Today's θ Cancri (theta Cancri) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 71.9°
Max altitude: 56.6°
Azimuth: 288.1°