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public LocationGreenwich, UK
Sunrise: 5:01 
Transit: 13:04 
Sunset: 21:06
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All Constellations » Ursa Major » 

78 Ursae Majoris

Above the horizon.  Circumpolar today
Alt: 18.30°   Az: 7.92°   Direction: North

78 Ursae Majoris is a variable and double main-sequence star of spectral class F2 in the constellation of Ursa Major.

78 Ursae Majoris visual magnitude is 4.93. Because of its moderate brightness, 78 Ursae Majoris is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

78 Ursae Majoris is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere.

Image of 78 Ursae Majoris star
DSS2 image of 78 Ursae Majoris. The red arrow shows the motion of 78 Ursae Majoris during the next 1000 years (1.90 arcmin in Right Ascension and -0.15 arcmin in declination);

Celestial Coordinates


13h 01m 46s
+56° 14’ 04”
12h 54m 25s
01h 56m 11s


13h 00m 43s
+56° 21’ 59”

Galactic Coordinates


Finder Chart

Finder chart 78 Ursae Majoris star
Simplified finder chart for 78 Ursae Majoris.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where 78 Ursae Majoris is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 78 Ursae Majoris. Attribution: Richard Powell / CC BY-SA

Star System Properties

78 Ursae Majoris is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the 78 Ursae Majoris double sysyem:

1.3 arcsec

Distance, Radial Speed, Proper Motion

78 Ursae Majoris is distant 81.38 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

24.96 pc
81.38 ly
-10 km/s
0.114 arcsec/y
-0.009 "/y

Alternative Designations

78 Ursae Majoris

Visibility from Your Location

78 Ursae Majoris is circumpolar and transits at 17:21 UTC (altitude: 85.2°)