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: 4:49  
clear_day Transit: 12:56  
SunsetSet: 21:04 south
wb_twilight Nautical TwilightWhat's Visible Now
All Constellations » Aquarius » 


HR8580 is a hypergiant star in the constellation of Aquarius.

HR8580 visual magnitude is 6.16. Because of its reltive faintness, HR8580 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 HR8580:

HR8580 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 21°.

Celestial coordinates and finder chart of HR8580

HR8580 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 HR8580 are provided in the following table:

22h 31m 18s
-02° 54’ 39”

The simplified sky map below shows the position of HR8580 in the sky:

Finder chart HR8580 star
Simplified finder chart for HR8580.

Visibility of HR8580 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 HR8580 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: 92.9°
Max altitude: 35.6°
Azimuth: 267.1°
HR8580 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR8580

The image below is a photograph of HR8580 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 HR8580 is -0.005 arcsec per year in Right Ascension and -0.036 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8580 star
DSS2 image of HR8580. The red arrow shows the motion of HR8580 during the next 10000 years (-0.83 arcmin in Right Ascension and -6.00 arcmin in declination);

Distance of HR8580 from the Sun and relative movement

HR8580 is distant 473.15 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

145.14 pc
473.15 ly
10 km/s
-0.005 arcsec/year
-0.036 arcsec/year

Spectral properties of HR8580

HR8580 belongs to spectral class K0


The red dot in the diagram below shows where HR8580 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8580. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8580