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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: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Equuleus » 


Altitude: 40.9°   Azimuth: 213.9°   Direction: South-West

HR8090 is a giant star in the constellation of Equuleus.

HR8090 visual magnitude is 6.15. Because of its reltive faintness, HR8090 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 HR8090:


HR8090 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 40.9°
Azimuth: 213.9°
Direction: South-West

Celestial coordinates and finder chart of HR8090

HR8090 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 HR8090 are provided in the following table:

21h 08m 28s
+06° 59’ 21”

The simplified sky map below shows the position of HR8090 in the sky:

Finder chart HR8090 star
Simplified finder chart for HR8090.

Visibility of HR8090 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 HR8090 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: 83.0°
Max altitude: 45.5°
Azimuth: 277.0°

Digitized Sky Survey image of HR8090

The image below is a photograph of HR8090 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 HR8090 is -0.006 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR8090 star
DSS2 image of HR8090. The red arrow shows the motion of HR8090 during the next 100000 years (-10.00 arcmin in Right Ascension and 5.00 arcmin in declination);

Distance of HR8090 from the Sun and relative movement

HR8090 is distant 831.63 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

255.10 pc
831.63 ly
20 km/s
-0.006 arcsec/year
0.003 arcsec/year

Spectral properties of HR8090

HR8090 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR8090 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR8090. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8090