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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: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Libra » 

12 Librae

Altitude: 11.9°   Azimuth: 198.4°   Direction: South-South-West

12 Librae is a giant star in the constellation of Libra.

12 Librae visual magnitude is 5.3. Because of its reltive faintness, 12 Librae 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 12 Librae:


12 Librae is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 11.9°
Azimuth: 198.4°
Direction: South-South-West

Celestial coordinates and finder chart of 12 Librae

12 Librae 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 12 Librae are provided in the following table:

14h 54m 20s
-24° 38’ 31”

The simplified sky map below shows the position of 12 Librae in the sky:

Finder chart 12 Librae star
Simplified finder chart for 12 Librae.

Visibility of 12 Librae 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 12 Librae 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: 114.6°
Max altitude: 13.9°
Azimuth: 245.4°

Digitized Sky Survey image of 12 Librae

The image below is a photograph of 12 Librae 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 12 Librae is -0.01 arcsec per year in Right Ascension and -0.027 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 12 Librae star
DSS2 image of 12 Librae. The red arrow shows the motion of 12 Librae during the next 10000 years (-1.67 arcmin in Right Ascension and -4.50 arcmin in declination);

Distance of 12 Librae from the Sun and relative movement

12 Librae is distant 384.43 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

117.92 pc
384.43 ly
9 km/s
-0.01 arcsec/year
-0.027 arcsec/year

Spectral properties of 12 Librae

12 Librae belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 12 Librae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 12 Librae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 12 Librae