Your Guide to the Solar System and the Night Sky
This site is free and ad-free thanks to the support of our users. If you can, please consider a donation.
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:46  
clear_day Transit: 12:51  
SunsetSet: 18:55 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Cepheus » 


Altitude: 39.0°   Azimuth: 324.6°   Direction: North-West

HR8327 is a double supergiant star in the constellation of Cepheus.

HR8327 visual magnitude is 5.95. Because of its reltive faintness, HR8327 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 HR8327:


HR8327 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 39.0°
Azimuth: 324.6°
Direction: North-West

Celestial coordinates and finder chart of HR8327

HR8327 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8327 are provided in the following table:

21h 44m 53s
+62° 27’ 38”

The simplified sky map below shows the position of HR8327 in the sky:

Finder chart HR8327 star
Simplified finder chart for HR8327.

Visibility of HR8327 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR8327 is circumpolar and transits at 21:34 UTC (altitude: 79.0°)

Digitized Sky Survey image of HR8327

The image below is a photograph of HR8327 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 HR8327 is -0.007 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR8327 star
DSS2 image of HR8327. The red arrow shows the motion of HR8327 during the next 100000 years (-11.67 arcmin in Right Ascension and -3.33 arcmin in declination);

Distance of HR8327 from the Sun and relative movement

HR8327 is distant 2,012.35 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

617.28 pc
2,012.35 ly
-18 km/s
-0.007 arcsec/year
-0.002 arcsec/year

Spectral properties of HR8327

HR8327 belongs to spectral class O9 and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR8327 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR8327. Attribution: Richard Powell / CC BY-SA

HR8327 star system properties

HR8327 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR8327 double sysyem:

17 arcsec

Alternative designations of HR8327