Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:49  
clear_day Transit: 12:50  
SunsetSet: 18:50 south
sleep NighttimeWhat's Visible Now
All Constellations » Ursa Major » 


Altitude: 24.1°   Azimuth: 328.3°   Direction: North-North-West

HR4654 is a giant star in the constellation of Ursa Major.

HR4654 visual magnitude is 6.16. Because of its reltive faintness, HR4654 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR4654:


HR4654 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 24.1°
Azimuth: 328.3°
Direction: North-North-West

Celestial coordinates and finder chart of HR4654

HR4654 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4654 are provided in the following table:

12h 14m 43s
+53° 26’ 04”
Ursa Major

The simplified sky map below shows the position of HR4654 in the sky:

Finder chart HR4654 star
Simplified finder chart for HR4654.

Visibility of HR4654 from your location

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

HR4654 is circumpolar and transits at 11:58 UTC (altitude: 88.0°)

Digitized Sky Survey image of HR4654

The image below is a photograph of HR4654 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR4654 is -0.019 arcsec per year in Right Ascension and -0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4654 star
DSS2 image of HR4654. The red arrow shows the motion of HR4654 during the next 10000 years (-3.17 arcmin in Right Ascension and -2.50 arcmin in declination);

Distance of HR4654 from the Sun and relative movement

HR4654 is distant 504.64 light years from the Sun

154.80 pc
504.64 ly
-0.019 arcsec/year
-0.015 arcsec/year

Spectral properties of HR4654

HR4654 belongs to spectral class K0


The red dot in the diagram below shows where HR4654 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4654. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4654