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
wb_twilight Nautical TwilightWhat's Visible Now
All Constellations » Pegasus » 


Altitude: 53.8°   Azimuth: 133.5°   Direction: South-East

HR8223 is a variable and multiple giant star in the constellation of Pegasus.

HR8223 visual magnitude is 5.93. Because of its reltive faintness, HR8223 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 HR8223:


HR8223 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 53.8°
Azimuth: 133.5°
Direction: South-East

Celestial coordinates and finder chart of HR8223

HR8223 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 HR8223 are provided in the following table:

21h 28m 59s
+22° 10’ 45”

The simplified sky map below shows the position of HR8223 in the sky:

Finder chart HR8223 star
Simplified finder chart for HR8223.

Visibility of HR8223 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 HR8223 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: 67.8°
Max altitude: 60.7°
Azimuth: 292.2°
HR8223 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR8223

The image below is a photograph of HR8223 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 HR8223 is 0.045 arcsec per year in Right Ascension and 0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8223 star
DSS2 image of HR8223. The red arrow shows the motion of HR8223 during the next 10000 years (7.50 arcmin in Right Ascension and 1.83 arcmin in declination);

Distance of HR8223 from the Sun and relative movement

HR8223 is distant 602.59 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

184.84 pc
602.59 ly
-22 km/s
0.045 arcsec/year
0.011 arcsec/year

Spectral properties of HR8223

HR8223 belongs to spectral class M4 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR8223 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8223. Attribution: Richard Powell / CC BY-SA

HR8223 star system properties

HR8223 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR8223 double sysyem:

41.1 arcsec

Alternative designations of HR8223