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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:56 
Transit: 12:56 
Sunset: 20:58
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All Constellations » Libra » 

18 Librae

Below the horizon.  Rise: 18:44 | Tran: 23:45 | Set: 4:49
Alt: -12.34°   Az: 267.38°   Direction: West

18 Librae is a multiple giant star of spectral class K3 in the constellation of Libra.

18 Librae visual magnitude is 5.87. Because of its faintness, 18 Librae 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.

Image of 18 Librae star
DSS2 image of 18 Librae. The red arrow shows the motion of 18 Librae during the next 1000 years (-1.68 arcmin in Right Ascension and -1.02 arcmin in declination);

Celestial Coordinates

Apparent

15h 00m 16s
-11° 14’ 39”
06h 22m 58s
21h 23m 15s

J2000

14h 58m 53s
-11° 08’ 39”

Galactic Coordinates

346.11°
40.8°

Finder Chart

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Finder chart for 18 Librae.

Magnitude, Color, Spectral Class

5.87
Giant

0.94
K3III
4194K

The red dot in the diagram below shows where 18 Librae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 18 Librae. Attribution: Richard Powell / CC BY-SA

Star System Properties

18 Librae is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 18 Librae double sysyem:

5.87
9.67
3.8
19.7 arcsec

Distance, Radial Speed, Proper Motion

18 Librae is distant 315.89 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

96.90
315.89
-12 km/s
-0.101 arcsec/y
-0.061"/y

Alternative Designations

SAO158946
SAO158946

Visibility from Your Location

Today's 18 Librae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 101.2°
Max altitude: 27.3°
Azimuth: 258.8°