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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 4:42 
Transit: 12:58 
Sunset: 21:15
sunny   (Daytime)   What's Visible Now?

HR4391

Above the horizon.  Circumpolar today
Altitude: 39.7°   Azimuth: 33.1°   Direction: North-North-East

HR4391 is a main-sequence star of spectral class A1 in the constellation of Ursa Major.

HR4391 visual magnitude is 6.02. Because of its faintness, HR4391 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.

Celestial coordinates and finder chart of HR4391

Finder chart HR4391 star
Simplified finder chart for HR4391.

HR4391 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4391 are provided in the following table:

11h 22m 51s
+64° 19’ 50”
137.71°
50.18°
Ursa Major
Image of HR4391 star
DSS2 image of HR4391. The red arrow shows the motion of HR4391 during the next 10000 years (-0.83 arcmin in Right Ascension and 5.67 arcmin in declination);

Key facts about HR4391

6.02
Main-sequence

and has a luminosity class of V corresponding to a main-sequence star.

1.34
A1V
9125K

The red dot in the diagram below shows where HR4391 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4391. Attribution: Richard Powell / CC BY-SA

Distance of HR4391 from the Sun and relative movement

HR4391 is distant 281.52 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

86.36 pc
281.52 ly
1 km/s
-0.005 arcsec/year
0.034 arcsec/year

Alternative designations of HR4391

SAO15486
SAO15486

Visibility of HR4391 from your location

HR4391 is circumpolar and transits at 17:52 UTC (altitude: 77.1°)