Your guide to the Solar System and the night sky
Latest Perseverance Images received 1 hours 11 mins ago for Sol233, Sol232, Sol215, Sol214, Sol156
Please help keep TheSkyLive ads-free, DONATE NOW via PayPal!. This site cannot run without your voluntary donations.
🌎  Greenwich, United Kingdom [change]


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 skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR8364:

HR8364 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 52°.

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 [change]
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 [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 70.3°
Max altitude: 58.2°
Azimuth: 289.7°
HR8364 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR8364

The image below is a photograph of HR8364 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 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);

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