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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:44  
clear_day Transit: 12:10  
SunsetSet: 17:38
sleep NighttimeWhat's Visible Now?
All Constellations » Orion » 

64 Orionis

Altitude: 56.4°   Azimuth: 204.0°   Direction: South-South-West

64 Orionis is a variable and multiple giant star in the constellation of Orion.

64 Orionis visual magnitude is 5.14. Because of its reltive faintness, 64 Orionis should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of 64 Orionis is -0.001 arcsec per year in Right Ascension and -0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 64 Orionis star
DSS2 image of 64 Orionis. The red arrow shows the motion of 64 Orionis during the next 10000 years (-0.17 arcmin in Right Ascension and -2.83 arcmin in declination);

Key facts about 64 Orionis


64 Orionis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 56.4°
Azimuth: 204.0°
Direction: South-South-West

Celestial coordinates and finder chart of 64 Orionis

64 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 64 Orionis are provided in the following table:

06h 03m 27s
+19° 41’ 26”

The simplified sky map below shows the position of 64 Orionis in the sky:

Finder chart 64 Orionis star
Simplified finder chart for 64 Orionis.

Visibility of 64 Orionis from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 64 Orionis rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 70.3°
Max altitude: 58.2°
Azimuth: 289.7°

Distance of 64 Orionis from the Sun and relative movement

64 Orionis is distant 1,068.85 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

327.87 pc
1,068.85 ly
12 km/s
-0.001 arcsec/year
-0.017 arcsec/year

Spectral properties of 64 Orionis

64 Orionis belongs to spectral class B8 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 64 Orionis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 64 Orionis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 64 Orionis