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public LocationGreenwich, UK
Sunrise: 5:08 
Transit: 13:06 
Sunset: 21:03
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Cancer » 

η Cancri (eta Cancri)

Below the horizon.  Rise: 5:50 | Tran: 13:38 | Set: 21:27
Alt: -18.11°   Az: 357.01°   Direction: North

η Cancri is a giant star of spectral class K3 in the constellation of Cancer.

η Cancri visual magnitude is 5.33. Because of its faintness, η 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.

Image of η Cancri (eta Cancri) star
DSS2 image of η Cancri. The red arrow shows the motion of η Cancri during the next 10000 years (-7.83 arcmin in Right Ascension and -7.17 arcmin in declination);

Celestial Coordinates


08h 34m 07s
+20° 21’ 22”
11h 47m 53s
20h 22m 00s


08h 32m 42s
+20° 26’ 27”

Galactic Coordinates


Finder Chart

Finder chart η Cancri (eta Cancri) star
Simplified finder chart for η Cancri (eta Cancri).

Magnitude, Color, Spectral Class



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

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

Distance, Radial Speed, Proper Motion

η Cancri is distant 311.66 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.

24 km/s
-0.047 arcsec/y

Alternative Designations

η Cancri
(eta Cancri)

Visibility from Your Location

Today's η Cancri (eta Cancri) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 69.6°
Max altitude: 58.9°
Azimuth: 290.4°