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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:12 
Transit: 12:56 
Sunset: 20:41
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All Constellations » Orion » 

18 Orionis

Above the horizon.  Rise: 7:54 | Tran: 14:51 | Set: 21:47
Alt: 37.11°   Az: 236.39°   Direction: West-South-West

18 Orionis is a hypergiant star of spectral class A0 in the constellation of Orion.

18 Orionis visual magnitude is 5.56. Because of its faintness, 18 Orionis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of 18 Orionis star
DSS2 image of 18 Orionis. The red arrow shows the motion of 18 Orionis during the next 100000 years (-15.00 arcmin in Right Ascension and -8.33 arcmin in declination);

Celestial Coordinates

Apparent

05h 17m 28s
+11° 22’ 04”
02h 50m 34s
08h 08m 03s

J2000

05h 16m 04s
+11° 20’ 29”

Galactic Coordinates

191.3°
-15.25°

Finder Chart

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Finder chart for 18 Orionis.

Magnitude, Color, Spectral Class

5.56
Hypergiant

0.30
A0V
10653K

The red dot in the diagram below shows where 18 Orionis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 18 Orionis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

18 Orionis is distant 367.95 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

112.87
367.95
-8 km/s
-0.009 arcsec/y
-0.005"/y

Alternative Designations

SAO94426
SAO94426

Visibility from Your Location

Today's 18 Orionis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 78.6°
Max altitude: 49.9°
Azimuth: 281.4°