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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
SunriseRise: 6:50  
clear_day Transit: 12:11  
SunsetSet: 17:32
sleep NighttimeWhat's Visible Now?
All Constellations » Pegasus » 


Altitude: -16.0°   Azimuth: 22.6°   Direction: North-North-East

HR8364 is a multiple hypergiant star in the constellation of Pegasus.

HR8364 visual magnitude is 6.39. Because of its reltive faintness, HR8364 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR8364 is -0.034 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8364 star
DSS2 image of HR8364. The red arrow shows the motion of HR8364 during the next 10000 years (-5.67 arcmin in Right Ascension and -1.33 arcmin in declination);

Key facts about HR8364


HR8364 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -16.0°
Azimuth: 22.6°
Direction: North-North-East

Celestial coordinates and finder chart of HR8364

HR8364 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 HR8364 are provided in the following table:

21h 54m 17s
+19° 43’ 05”

The simplified sky map below shows the position of HR8364 in the sky:

Finder chart HR8364 star
Simplified finder chart for HR8364.

Visibility of HR8364 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 HR8364 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: 70.3°
Max altitude: 58.2°
Azimuth: 289.7°

Distance of HR8364 from the Sun and relative movement

HR8364 is distant 364.25 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

111.73 pc
364.25 ly
4 km/s
-0.034 arcsec/year
-0.008 arcsec/year

Spectral properties of HR8364

HR8364 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR8364 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8364. Attribution: Richard Powell / CC BY-SA

HR8364 star system properties

HR8364 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR8364 double sysyem:

22.3 arcsec

Alternative designations of HR8364