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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: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sleep NighttimeWhat's Visible Now?
All Constellations » Cepheus » 


Altitude: 51.4°   Azimuth: 355.4°   Direction: North

HR306 is a giant star in the constellation of Cepheus.

HR306 visual magnitude is 6.25. Because of its reltive faintness, HR306 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 HR306:


HR306 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 51.4°
Azimuth: 355.4°
Direction: North

Celestial coordinates and finder chart of HR306

HR306 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 HR306 are provided in the following table:

01h 16m 13s
+87° 08’ 43”

The simplified sky map below shows the position of HR306 in the sky:

Finder chart HR306 star
Simplified finder chart for HR306.

Visibility of HR306 from your location

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

HR306 is circumpolar and transits at 20:34 UTC (altitude: 54.3°)

Digitized Sky Survey image of HR306

The image below is a photograph of HR306 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 HR306 is 0.051 arcsec per year in Right Ascension and -0.027 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR306 star
DSS2 image of HR306. The red arrow shows the motion of HR306 during the next 10000 years (8.50 arcmin in Right Ascension and -4.50 arcmin in declination);

Distance of HR306 from the Sun and relative movement

HR306 is distant 325.67 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

99.90 pc
325.67 ly
-5 km/s
0.051 arcsec/year
-0.027 arcsec/year

Spectral properties of HR306

HR306 belongs to spectral class K2


The red dot in the diagram below shows where HR306 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR306. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR306