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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: 7:44  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Cygnus » 


Altitude: 0.6°   Azimuth: 21.9°   Direction: North-North-East

HR8320 is a giant star in the constellation of Cygnus.

HR8320 visual magnitude is 6.4. Because of its reltive faintness, HR8320 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 HR8320:


HR8320 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 0.6°
Azimuth: 21.9°
Direction: North-North-East

Celestial coordinates and finder chart of HR8320

HR8320 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8320 are provided in the following table:

21h 45m 44s
+35° 51’ 25”

The simplified sky map below shows the position of HR8320 in the sky:

Finder chart HR8320 star
Simplified finder chart for HR8320.

Visibility of HR8320 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 HR8320 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: 54.1°
Max altitude: 74.4°
Azimuth: 305.9°

Digitized Sky Survey image of HR8320

The image below is a photograph of HR8320 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 HR8320 is 0.094 arcsec per year in Right Ascension and 0.012 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR8320 star
DSS2 image of HR8320. The red arrow shows the motion of HR8320 during the next 1000 years (1.57 arcmin in Right Ascension and 0.20 arcmin in declination);

Distance of HR8320 from the Sun and relative movement

HR8320 is distant 499.23 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

153.14 pc
499.23 ly
-5 km/s
0.094 arcsec/year
0.012 arcsec/year

Spectral properties of HR8320

HR8320 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR8320 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8320. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8320