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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
SunriseRise: 6:35  
clear_day Transit: 12:10  
SunsetSet: 17:45
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Leo » 

79 Leonis

Altitude: 11.0°   Azimuth: 258.2°   Direction: West-South-West

79 Leonis is a double giant star in the constellation of Leo.

79 Leonis visual magnitude is 5.39. Because of its reltive faintness, 79 Leonis should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of 79 Leonis is -0.02 arcsec per year in Right Ascension and 0.005 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 79 Leonis star
DSS2 image of 79 Leonis. The red arrow shows the motion of 79 Leonis during the next 10000 years (-3.33 arcmin in Right Ascension and 0.83 arcmin in declination);

Key facts about 79 Leonis


79 Leonis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 11.0°
Azimuth: 258.2°
Direction: West-South-West

Celestial coordinates and finder chart of 79 Leonis

79 Leonis 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 Leonis are provided in the following table:

11h 24m 02s
+01° 24’ 28”

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

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

Visibility of 79 Leonis 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 Leonis 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: 88.6°
Max altitude: 39.9°
Azimuth: 271.4°

Distance of 79 Leonis from the Sun and relative movement

79 Leonis is distant 365.06 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

111.98 pc
365.06 ly
-10 km/s
-0.02 arcsec/year
0.005 arcsec/year

Spectral properties of 79 Leonis

79 Leonis belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.


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

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

79 Leonis star system properties

79 Leonis is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the 79 Leonis double sysyem:

0 arcsec

Alternative designations of 79 Leonis