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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:37  
clear_day Transit: 11:46  
SunsetSet: 15:55 south
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Cancer » 

79 Cancri

Altitude: -16.2°   Azimuth: 7.3°   Direction: North

79 Cancri is a giant star in the constellation of Cancer.

79 Cancri visual magnitude is 6.01. Because of its reltive faintness, 79 Cancri 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 79 Cancri:


79 Cancri is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -16.2°
Azimuth: 7.3°
Direction: North

Celestial coordinates and finder chart of 79 Cancri

79 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 79 Cancri are provided in the following table:

09h 10m 20s
+21° 59’ 47”

The simplified sky map below shows the position of 79 Cancri in the sky:

Finder chart 79 Cancri star
Simplified finder chart for 79 Cancri.

Visibility of 79 Cancri from your location

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

Today's 79 Cancri rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 68.0°
Max altitude: 60.5°
Azimuth: 292.0°

Digitized Sky Survey image of 79 Cancri

The image below is a photograph of 79 Cancri 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 79 Cancri is 0.005 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of 79 Cancri star
DSS2 image of 79 Cancri. The red arrow shows the motion of 79 Cancri during the next 100000 years (8.33 arcmin in Right Ascension and 10.00 arcmin in declination);

Distance of 79 Cancri from the Sun and relative movement

79 Cancri is distant 420.10 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

128.87 pc
420.10 ly
-7 km/s
0.005 arcsec/year
0.006 arcsec/year

Spectral properties of 79 Cancri

79 Cancri belongs to spectral class G5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 79 Cancri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 79 Cancri. Attribution: Richard Powell / CC BY-SA

Alternative designations of 79 Cancri