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public LocationGreenwich, UK
Sunrise: 5:15 
Transit: 13:06 
Sunset: 20:56
sunny   (Daytime)   What's Visible Now?
All Constellations » Orion » 

ω Orionis (omega Orionis)

Above the horizon.  Rise: 4:07 | Tran: 10:26 | Set: 16:44
Alt: 30.33°   Az: 126.94°   Direction: South-East

ω Orionis is a variable giant star of spectral class B3 in the constellation of Orion.

ω Orionis visual magnitude is 4.57. Because of its moderate brightness, ω Orionis 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.

Image of ω Orionis (omega Orionis) star
DSS2 image of ω Orionis. The red arrow shows the motion of ω Orionis during the next 100000 years (1.67 arcmin in Right Ascension and -5.00 arcmin in declination);

Celestial Coordinates


05h 40m 28s
+04° 08’ 00”
21h 04m 56s
02h 45m 25s


05h 39m 11s
+04° 07’ 17”

Galactic Coordinates


Finder Chart

Finder chart ω Orionis (omega Orionis) star
Simplified finder chart for ω Orionis (omega Orionis).

Magnitude, Color, Spectral Class



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

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

Distance, Radial Speed, Proper Motion

ω Orionis is distant 1,621.89 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

22 km/s
0.001 arcsec/y

Alternative Designations

ω Orionis
(omega Orionis)

Visibility from Your Location

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

Azimuth: 85.9°
Max altitude: 42.7°
Azimuth: 274.1°