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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:18 
Transit: 12:46 
Sunset: 18:13
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All Constellations » Orion » 

23 Orionis

Above the horizon.  Rise: 22:43 | Tran: 5:03 | Set: 11:19
Alt: 2.84°   Az: 87.84°   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.

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);

Celestial Coordinates

Apparent

05h 24m 08s
+03° 33’ 58”
18h 00m 17s
23h 24m 26s

J2000

05h 22m 50s
+03° 32’ 39”

Galactic Coordinates

199.16°
-17.86°

Finder Chart

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

Magnitude, Color, Spectral Class

5
Main-sequence

-2.35
B1V
12489K

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

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:

5
7.2
2.2
31.9 arcsec

Distance, Radial Speed, Proper Motion

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
961.65
18 km/s
-0.004 arcsec/y
-0.002"/y

Alternative Designations

SAO112697
SAO112697

Visibility from Your Location

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

Azimuth: 86.4°
Max altitude: 42.1°
Azimuth: 273.6°