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public LocationGreenwich, UK
Sunrise: 5:07 
Transit: 13:06 
Sunset: 21:04
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Ursa Major » 

84 Ursae Majoris

Above the horizon.  Circumpolar today
Alt: 41.39°   Az: 309.13°   Direction: North-West

84 Ursae Majoris is a variable star of spectral class B9 in the constellation of Ursa Major.

84 Ursae Majoris visual magnitude is 5.7. Because of its faintness, 84 Ursae Majoris 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 84 Ursae Majoris star
DSS2 image of 84 Ursae Majoris. The red arrow shows the motion of 84 Ursae Majoris during the next 10000 years (-3.17 arcmin in Right Ascension and 0.17 arcmin in declination);

Celestial Coordinates


13h 47m 30s
+54° 18’ 38”
05h 43m 42s
19h 31m 13s


13h 46m 35s
+54° 25’ 58”

Galactic Coordinates


Finder Chart

Finder chart 84 Ursae Majoris star
Simplified finder chart for 84 Ursae Majoris.

Magnitude, Color, Spectral Class

84 Ursae Majoris is also a EuCr chemically peculiar star.


The red dot in the diagram below shows where 84 Ursae Majoris is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 84 Ursae Majoris. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

84 Ursae Majoris is distant 281.52 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

-2 km/s
-0.019 arcsec/y

Alternative Designations

84 Ursae Majoris

Visibility from Your Location

84 Ursae Majoris is circumpolar and transits at 17:55 UTC (altitude: 87.2°)