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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
sleep NighttimeWhat's Visible Now?
All Constellations » Hercules » 


Altitude: -20.3°   Azimuth: 333.4°   Direction: North-North-West

HR6339 is a variable sub-giant star in the constellation of Hercules.

HR6339 visual magnitude is 6.52. Because of its reltive faintness, HR6339 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 HR6339:


HR6339 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -20.3°
Azimuth: 333.4°
Direction: North-North-West

Celestial coordinates and finder chart of HR6339

HR6339 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 HR6339 are provided in the following table:

17h 03m 10s
+14° 30’ 39”

The simplified sky map below shows the position of HR6339 in the sky:

Finder chart HR6339 star
Simplified finder chart for HR6339.

Visibility of HR6339 from your location

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

Today's HR6339 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 75.5°
Max altitude: 53.0°
Azimuth: 284.5°

Digitized Sky Survey image of HR6339

The image below is a photograph of HR6339 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 HR6339 is -0.169 arcsec per year in Right Ascension and -0.185 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR6339 star
DSS2 image of HR6339. The red arrow shows the motion of HR6339 during the next 1000 years (-2.82 arcmin in Right Ascension and -3.08 arcmin in declination);

Distance of HR6339 from the Sun and relative movement

HR6339 is distant 118.20 light years from the Sun and it is moving towards the Sun at the speed of 56 kilometers per second.

36.26 pc
118.20 ly
-56 km/s
-0.169 arcsec/year
-0.185 arcsec/year

Spectral properties of HR6339

HR6339 belongs to spectral class G5 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR6339 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6339. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6339