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public LocationGreenwich, UK
Sunrise: 4:58 
Transit: 13:04 
Sunset: 21:09
wb_twilight   (Nautical Twilight)   What's Visible Now?
All Constellations » Ursa Major » 


Above the horizon.  Circumpolar today
Altitude: 32.2°   Azimuth: 352.2°   Direction: North

HR4243 is a multiple sub-giant star of spectral class G9 in the constellation of Ursa Major.

HR4243 visual magnitude is 5.93. Because of its faintness, HR4243 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.

HR4243 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere.

Image of HR4243 star
DSS2 image of HR4243. The red arrow shows the motion of HR4243 during the next 1000 years (-6.63 arcmin in Right Ascension and -1.12 arcmin in declination);

Apparent Coordinates

10h 55m 11s
+69° 43’ 22”

J2000 Coordinates

10h 53m 30s
+69° 51’ 14”

Galactic Coordinates


Finder Chart

Finder chart HR4243 star
Simplified finder chart for HR4243.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where HR4243 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4243. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4243 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR4243 double sysyem:

75.1 arcsec

Distance, Radial Speed, Proper Motion

HR4243 is distant 141.62 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

43.44 pc
141.62 ly
15 km/s
-0.398 arcsec/y
-0.067 "/y

Alternative Designations


Visibility from Your Location

HR4243 is circumpolar and transits at 15:25 UTC (altitude: 71.6°)