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public LocationGreenwich, UK
Sunrise: 5:00 
Transit: 13:04 
Sunset: 21:07
sunny   (Daytime)   What's Visible Now?
All Constellations » Cancer » 

σ3 Cancri (sigma3 Cancri)

Above the horizon.  Rise: 4:58 | Tran: 14:25 | Set: 23:52
Alt: 37.44°   Az: 83.14°   Direction: East

σ3 Cancri is a double giant star of spectral class G8 in the constellation of Cancer.

σ3 Cancri visual magnitude is 5.2. Because of its faintness, σ3 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.

σ3 Cancri is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere.

Image of σ3 Cancri (sigma3 Cancri) star
DSS2 image of σ3 Cancri. The red arrow shows the motion of σ3 Cancri during the next 10000 years (-7.50 arcmin in Right Ascension and -5.83 arcmin in declination);

Celestial Coordinates


09h 01m 02s
+32° 19’ 18”
19h 24m 27s
04h 25m 30s


08h 59m 32s
+32° 25’ 06”

Galactic Coordinates


Finder Chart

Finder chart σ3 Cancri (sigma3 Cancri) star
Simplified finder chart for σ3 Cancri (sigma3 Cancri).

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where σ3 Cancri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of σ3 Cancri. Attribution: Richard Powell / CC BY-SA

Star System Properties

σ3 Cancri is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the σ3 Cancri double sysyem:

89.3 arcsec

Distance, Radial Speed, Proper Motion

σ3 Cancri is distant 319.92 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

98.14 pc
319.92 ly
23 km/s
-0.045 arcsec/y
-0.035 "/y

Alternative Designations

σ3 Cancri
(sigma3 Cancri)

Visibility from Your Location

Today's σ3 Cancri (sigma3 Cancri) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 57.7°
Max altitude: 70.8°
Azimuth: 302.3°