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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:16
sunny   (Daytime)   What's Visible Now?

υ Orionis (upsilon Orionis)

Below the horizon.  Rise: 7:33 | Tran: 12:54 | Set: 18:16
Altitude: -0.8°   Azimuth: 259.3°   Direction: West

υ Orionis is a hypergiant star of spectral class B0 in the constellation of Orion.

υ Orionis visual magnitude is 4.62. Because of its moderate brightness, υ 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.

Celestial coordinates and finder chart of υ Orionis

Finder chart υ Orionis (upsilon Orionis) star
Simplified finder chart for υ Orionis (upsilon Orionis).

υ Orionis 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 υ Orionis are provided in the following table:

05h 31m 55s
-07° 18’ 05”
Image of υ Orionis (upsilon Orionis) star
DSS2 image of υ Orionis. The red arrow shows the motion of υ Orionis during the next 100000 years (-1.67 arcmin in Right Ascension and -8.33 arcmin in declination);

Key facts about υ Orionis


and has a luminosity class of V corresponding to a hypergiant star.


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

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

Distance of υ Orionis from the Sun and relative movement

υ Orionis is distant 1,545.02 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

473.93 pc
1,545.02 ly
17 km/s
-0.001 arcsec/year
-0.005 arcsec/year

Alternative designations of υ Orionis

υ Orionis
(upsilon Orionis)

Visibility of υ Orionis from your location

Today's υ Orionis (upsilon Orionis) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 97.3°
Max altitude: 31.2°
Azimuth: 262.7°