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

23 Orionis

Below the horizon.  Rise: 6:30 | Tran: 12:45 | Set: 19:01
Altitude: -2.9°   Azimuth: 80.6°   Direction: East

23 Orionis is a double main-sequence star of spectral class B1 in the constellation of Orion.

23 Orionis visual magnitude is 5. Because of its moderate brightness, 23 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 23 Orionis

Finder chart 23 Orionis star
Simplified finder chart for 23 Orionis.

23 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 23 Orionis are provided in the following table:

05h 22m 50s
+03° 32’ 39”
Image of 23 Orionis star
DSS2 image of 23 Orionis. The red arrow shows the motion of 23 Orionis during the next 100000 years (-6.67 arcmin in Right Ascension and -3.33 arcmin in declination);

Key facts about 23 Orionis


and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where 23 Orionis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 23 Orionis. Attribution: Richard Powell / CC BY-SA

23 Orionis star system properties

23 Orionis is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 23 Orionis double sysyem:

31.9 arcsec

Distance of 23 Orionis from the Sun and relative movement

23 Orionis is distant 961.65 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

294.99 pc
961.65 ly
18 km/s
-0.004 arcsec/year
-0.002 arcsec/year

Alternative designations of 23 Orionis


Visibility of 23 Orionis from your location

Today's 23 Orionis rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 86.5°
Max altitude: 42.1°
Azimuth: 273.5°