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public  Perai, Gambia Perai, Gambia  ⓘ
TimezoneAfrica/Banjul
Sunrise: 6:34 
Transit: 13:00 
Sunset: 19:26
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All Constellations » Orion » 

55 Orionis

Above the horizon.  Rise: 6:10 | Tran: 12:01 | Set: 17:52
Alt: 69.00°   Az: 185.73°   Direction: South

55 Orionis is a variable sub-giant star of spectral class B2 in the constellation of Orion.

55 Orionis visual magnitude is 5.35. Because of its faintness, 55 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 55 Orionis star
DSS2 image of 55 Orionis. The red arrow shows the motion of 55 Orionis during the next 100000 years (-1.67 arcmin in Right Ascension and 5.00 arcmin in declination);

Celestial Coordinates

Apparent

05h 52m 35s
-07° 30’ 47”
00h 08m 16s
06h 00m 52s

J2000

05h 51m 21s
-07° 31’ 05”

Galactic Coordinates

212.89°
-16.76°

Finder Chart

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Finder chart for 55 Orionis.

Magnitude, Color, Spectral Class

5.35
Sub-giant

-3.21
B2IV
13585K

The red dot in the diagram below shows where 55 Orionis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 55 Orionis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

55 Orionis is distant 1,680.41 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

515.46
1,680.41
20 km/s
-0.001 arcsec/y
0.003"/y

Alternative Designations

SAO132591
SAO132591

Visibility from Your Location

Today's 55 Orionis rise, transit and set times from Perai, Gambia are the following (all times relative to the local timezone Africa/Banjul):

Azimuth: 97.5°
Max altitude: 69.1°
Azimuth: 262.5°