Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

HR312

HR312 is a subgiant star in the constellation of Cepheus.

HR312 visual magnitude is 6.29. Because of its reltive faintness, HR312 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 HR312:

6.29
Subgiant
HR312 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 60°.

Celestial coordinates and finder chart of HR312

HR312 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 HR312 are provided in the following table:

01h 09m 12s
+80° 00’ 42”
123.74°
17.17°
Cepheus

The simplified sky map below shows the position of HR312 in the sky:

Finder chart HR312 star
Simplified finder chart for HR312.

Visibility of HR312 from your location

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

HR312 is circumpolar and transits at 03:37 UTC (altitude: 61.5°)

Digitized Sky Survey image of HR312

The image below is a photograph of HR312 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 HR312 is -0.03 arcsec per year in Right Ascension and -0.038 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR312 star
DSS2 image of HR312. The red arrow shows the motion of HR312 during the next 10000 years (-5.00 arcmin in Right Ascension and -6.33 arcmin in declination);

Distance of HR312 from the Sun and relative movement

HR312 is distant 467.72 light years from the Sun and it is moving towards the Sun at the speed of 27 kilometers per second.

143.47 pc
467.72 ly
-27 km/s
-0.03 arcsec/year
-0.038 arcsec/year

Spectral properties of HR312

HR312 belongs to spectral class G6

0.51
G6
10125K

The red dot in the diagram below shows where HR312 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR312. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR312

SAO4331
SAO4331