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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: 6:52  
clear_day Transit: 12:11  
SunsetSet: 17:31
sunny DaytimeWhat's Visible Now?
All Constellations » Leo » 

ε Leonis (epsilon Leonis)

Altitude: -2.6°   Azimuth: 45.2°   Direction: North-East

ε Leonis is a variable bright giant star in the constellation of Leo.

ε Leonis visual magnitude is 2.98. Thanks to its high brightness, ε Leonis is clearly visible when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

The proper motion of ε Leonis is -0.046 arcsec per year in Right Ascension and -0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ε Leonis (epsilon Leonis) star
DSS2 image of ε Leonis. The red arrow shows the motion of ε Leonis during the next 10000 years (-7.67 arcmin in Right Ascension and -1.83 arcmin in declination);

Key facts about ε Leonis

Bright giant

ε Leonis (epsilon Leonis) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -2.6°
Azimuth: 45.2°
Direction: North-East

Celestial coordinates and finder chart of ε Leonis

ε 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 ε Leonis are provided in the following table:

09h 45m 51s
+23° 46’ 27”

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

Finder chart ε Leonis (epsilon Leonis) star
Simplified finder chart for ε Leonis (epsilon Leonis).

Visibility of ε 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 ε Leonis (epsilon 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: 66.2°
Max altitude: 62.3°
Azimuth: 293.8°

Distance of ε Leonis from the Sun and relative movement

ε Leonis is distant 250.58 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

76.86 pc
250.58 ly
4 km/s
-0.046 arcsec/year
-0.011 arcsec/year

Spectral properties of ε Leonis

ε Leonis belongs to spectral class G1 and has a luminosity class of II corresponding to a bright giant star.


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

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

Alternative designations of ε Leonis

ε Leonis
(epsilon Leonis)