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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:45  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Libra » 


Altitude: -14.9°   Azimuth: 243.2°   Direction: West-South-West

HR5809 is a giant star in the constellation of Libra.

HR5809 visual magnitude is 6.32. Because of its reltive faintness, HR5809 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 HR5809:


HR5809 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -14.9°
Azimuth: 243.2°
Direction: West-South-West

Celestial coordinates and finder chart of HR5809

HR5809 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR5809 are provided in the following table:

15h 38m 15s
-28° 12’ 24”

The simplified sky map below shows the position of HR5809 in the sky:

Finder chart HR5809 star
Simplified finder chart for HR5809.

Visibility of HR5809 from your location

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

Today's HR5809 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 118.2°
Max altitude: 10.3°
Azimuth: 241.8°

Digitized Sky Survey image of HR5809

The image below is a photograph of HR5809 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 HR5809 is 0.003 arcsec per year in Right Ascension and -0.026 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR5809 star
DSS2 image of HR5809. The red arrow shows the motion of HR5809 during the next 10000 years (0.50 arcmin in Right Ascension and -4.33 arcmin in declination);

Distance of HR5809 from the Sun and relative movement

HR5809 is distant 562.07 light years from the Sun and it is moving far from the Sun at the speed of 29 kilometers per second.

172.41 pc
562.07 ly
29 km/s
0.003 arcsec/year
-0.026 arcsec/year

Spectral properties of HR5809

HR5809 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR5809 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5809. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR5809