We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate now and help us to keep this site free and ad-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:38  
clear_day Transit: 11:46  
SunsetSet: 15:54 south
sunny DaytimeWhat's Visible Now?
All Constellations » Piscis Austrinus » 


Altitude: -16.6°   Azimuth: 122.2°   Direction: East-South-East

HR8680 is a double hypergiant star in the constellation of Piscis Austrinus.

HR8680 visual magnitude is 6.33. Because of its reltive faintness, HR8680 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 HR8680:


HR8680 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -16.6°
Azimuth: 122.2°
Direction: East-South-East

Celestial coordinates and finder chart of HR8680

HR8680 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8680 are provided in the following table:

22h 49m 59s
-32° 48’ 19”
Piscis Austrinus

The simplified sky map below shows the position of HR8680 in the sky:

Finder chart HR8680 star
Simplified finder chart for HR8680.

Visibility of HR8680 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 HR8680 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: 122.8°
Max altitude: 5.7°
Azimuth: 237.2°

Digitized Sky Survey image of HR8680

The image below is a photograph of HR8680 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 HR8680 is -0.05 arcsec per year in Right Ascension and -0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8680 star
DSS2 image of HR8680. The red arrow shows the motion of HR8680 during the next 10000 years (-8.33 arcmin in Right Ascension and -2.83 arcmin in declination);

Distance of HR8680 from the Sun and relative movement

HR8680 is distant 228.13 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.

69.98 pc
228.13 ly
24 km/s
-0.05 arcsec/year
-0.017 arcsec/year

Spectral properties of HR8680

HR8680 belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR8680 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR8680. Attribution: Richard Powell / CC BY-SA

HR8680 star system properties

HR8680 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR8680 double sysyem:

0.3 arcsec

Alternative designations of HR8680