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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: 7:38  
clear_day Transit: 11:46  
SunsetSet: 15:54 south
sunny DaytimeWhat's Visible Now?
All Constellations » Cepheus » 


Altitude: 25.1°   Azimuth: 20.8°   Direction: North-North-East

HR8312 is a giant star in the constellation of Cepheus.

HR8312 visual magnitude is 6.08. Because of its reltive faintness, HR8312 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 HR8312:


HR8312 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 25.1°
Azimuth: 20.8°
Direction: North-North-East

Celestial coordinates and finder chart of HR8312

HR8312 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 HR8312 are provided in the following table:

21h 42m 45s
+59° 16’ 15”

The simplified sky map below shows the position of HR8312 in the sky:

Finder chart HR8312 star
Simplified finder chart for HR8312.

Visibility of HR8312 from your location

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

HR8312 is circumpolar and transits at 17:09 UTC (altitude: 82.2°)

Digitized Sky Survey image of HR8312

The image below is a photograph of HR8312 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 HR8312 is -0.003 arcsec per year in Right Ascension and 0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8312 star
DSS2 image of HR8312. The red arrow shows the motion of HR8312 during the next 10000 years (-0.50 arcmin in Right Ascension and 1.67 arcmin in declination);

Distance of HR8312 from the Sun and relative movement

HR8312 is distant 2,432.84 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

746.27 pc
2,432.84 ly
-2 km/s
-0.003 arcsec/year
0.01 arcsec/year

Spectral properties of HR8312

HR8312 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR8312 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8312. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8312