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public  Outapi, Namibia Outapi, Namibia  ⓘ
TimezoneAfrica/Windhoek
Sunrise: 7:25 
Transit: 12:58 
Sunset: 18:31
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All Constellations » Orion » 

Betelgeuse - α Orionis (alpha Orionis)

Below the horizon.  Rise: 8:15 | Tran: 14:03 | Set: 19:52
Alt: -5.97°   Az: 275.91°   Direction: West

Betelgeuse, also designated as α Orionis (alpha Orionis), is a variable and multiple supergiant star of spectral class M1 in the constellation of Orion.

Betelgeuse visual magnitude is 0.5, making it the 10th brightest star in the sky. Because of its brightness, Betelgeuse is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of Betelgeuse - α Orionis (alpha Orionis) star
DSS2 image of Betelgeuse. The red arrow shows the motion of Betelgeuse during the next 10000 years (4.33 arcmin in Right Ascension and 1.50 arcmin in declination);

Celestial Coordinates

Apparent

05h 56m 32s
+07° 24’ 34”
06h 15m 50s
12h 12m 22s

J2000

05h 55m 10s
+07° 24’ 24”

Galactic Coordinates

199.79°
-8.96°

Finder Chart

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Finder chart for Betelgeuse - α Orionis (alpha Orionis).

Magnitude, Color, Spectral Class

0.5
Supergiant

-5.09
M1I
3333K

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

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

Star System Properties

Betelgeuse is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the Betelgeuse double sysyem:

0.5
10.4
9.9
174.4 arcsec

Distance, Radial Speed, Proper Motion

Betelgeuse is distant 427.26 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.

131.06
427.26
21 km/s
0.026 arcsec/y
0.009"/y

Alternative Designations

Betelgeuse
α Orionis
(alpha Orionis)
SAO113271
SAO113271

Visibility from Your Location

Today's Betelgeuse - α Orionis (alpha Orionis) rise, transit and set times from Outapi, Namibia are the following (all times relative to the local timezone Africa/Windhoek):

Azimuth: 82.6°
Max altitude: 65.1°
Azimuth: 277.4°