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public LocationGreenwich, UK
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?

Lesath - υ Scorpii (upsilon Scorpii)

Below the horizon.  Rise: 23:20 | Tran: 0:28 | Set: 1:39
Altitude: -31.5°   Azimuth: 111.8°   Direction: East-South-East

Lesath, also designated as υ Scorpii (upsilon Scorpii), is a sub-giant star of spectral class B2 in the constellation of Scorpius.

Lesath visual magnitude is 2.69. Because of its brightness, Lesath is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Celestial coordinates and finder chart of Lesath

Finder chart Lesath - υ Scorpii (upsilon Scorpii) star
Simplified finder chart for Lesath - υ Scorpii (upsilon Scorpii).

Lesath is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Lesath are provided in the following table:

17h 30m 45s
-37° 17’ 44”
Image of Lesath - υ Scorpii (upsilon Scorpii) star
DSS2 image of Lesath. The red arrow shows the motion of Lesath during the next 10000 years (-0.17 arcmin in Right Ascension and -5.17 arcmin in declination);

Key facts about Lesath


and has a luminosity class of IV corresponding to a sub-giant star.


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

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

Distance of Lesath from the Sun and relative movement

Lesath is distant 518.28 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

158.98 pc
518.28 ly
8 km/s
-0.001 arcsec/year
-0.031 arcsec/year

Alternative designations of Lesath

υ Scorpii
(upsilon Scorpii)

Visibility of Lesath from your location

Today's Lesath - υ Scorpii (upsilon Scorpii) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 127.3°
Max altitude: 1.2°
Azimuth: 232.7°