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: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
sunny DaytimeWhat's Visible Now
All Constellations » Libra » 


Altitude: -40.1°   Azimuth: 16.8°   Direction: North-North-East

HR5590 is a variable hypergiant star in the constellation of Libra.

HR5590 visual magnitude is 5.52. Because of its reltive faintness, HR5590 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 HR5590:


HR5590 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -40.1°
Azimuth: 16.8°
Direction: North-North-East

Celestial coordinates and finder chart of HR5590

HR5590 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR5590 are provided in the following table:

15h 01m 19s
-02° 45’ 17”

The simplified sky map below shows the position of HR5590 in the sky:

Finder chart HR5590 star
Simplified finder chart for HR5590.

Visibility of HR5590 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 HR5590 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: 92.8°
Max altitude: 35.8°
Azimuth: 267.2°
HR5590 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR5590

The image below is a photograph of HR5590 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 HR5590 is 0.027 arcsec per year in Right Ascension and -0.023 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR5590 star
DSS2 image of HR5590. The red arrow shows the motion of HR5590 during the next 10000 years (4.50 arcmin in Right Ascension and -3.83 arcmin in declination);

Distance of HR5590 from the Sun and relative movement

HR5590 is distant 564.01 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

173.01 pc
564.01 ly
-15 km/s
0.027 arcsec/year
-0.023 arcsec/year

Spectral properties of HR5590

HR5590 belongs to spectral class M0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR5590 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5590. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR5590