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public LocationGreenwich, UK
Sunrise: 5:00 
Transit: 13:04 
Sunset: 21:07
sunny   (Daytime)   What's Visible Now?
All Constellations » Scorpius » 

ο Scorpii (omicron Scorpii)

Below the horizon.  Rise: 18:04 | Tran: 21:45 | Set: 1:30
Alt: -62.48°   Az: 350.07°   Direction: North

ο Scorpii is a variable bright giant star of spectral class A5 in the constellation of Scorpius.

ο Scorpii visual magnitude is 4.55. Because of its moderate brightness, ο Scorpii is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

ο Scorpii is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year.

Image of ο Scorpii (omicron Scorpii) star
DSS2 image of ο Scorpii. The red arrow shows the motion of ο Scorpii during the next 10000 years (-0.50 arcmin in Right Ascension and -3.83 arcmin in declination);

Celestial Coordinates


16h 22m 07s
-24° 13’ 35”
11h 39m 56s
04h 02m 03s


16h 20m 38s
-24° 10’ 09”

Galactic Coordinates


Finder Chart

Finder chart ο Scorpii (omicron Scorpii) star
Simplified finder chart for ο Scorpii (omicron Scorpii).

Magnitude, Color, Spectral Class

Bright giant


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

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

Distance, Radial Speed, Proper Motion

ο Scorpii is distant 1,176.90 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

361.01 pc
1,176.90 ly
-8 km/s
-0.003 arcsec/y
-0.023 "/y

Alternative Designations

ο Scorpii
(omicron Scorpii)

Visibility from Your Location

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

Azimuth: 114.2°
Max altitude: 14.3°
Azimuth: 245.8°