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HR6399 is a variable and multiple giant star in the constellation of Hercules.

HR6399 visual magnitude is 6.04. Because of its reltive faintness, HR6399 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 HR6399:

HR6399 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 13°.

Celestial coordinates and finder chart of HR6399

HR6399 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 HR6399 are provided in the following table:

17h 11m 40s
+49° 44’ 48”

The simplified sky map below shows the position of HR6399 in the sky:

Finder chart HR6399 star
Simplified finder chart for HR6399.

Visibility of HR6399 from your location

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

HR6399 is circumpolar and transits at 06:06 UTC (altitude: 88.3°)

Digitized Sky Survey image of HR6399

The image below is a photograph of HR6399 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 HR6399 is 0.02 arcsec per year in Right Ascension and 0.035 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6399 star
DSS2 image of HR6399. The red arrow shows the motion of HR6399 during the next 10000 years (3.33 arcmin in Right Ascension and 5.83 arcmin in declination);

Distance of HR6399 from the Sun and relative movement

HR6399 is distant 315.59 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

96.81 pc
315.59 ly
-11 km/s
0.02 arcsec/year
0.035 arcsec/year

Spectral properties of HR6399

HR6399 belongs to spectral class A5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR6399 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6399. Attribution: Richard Powell / CC BY-SA

HR6399 star system properties

HR6399 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 HR6399 double sysyem:

5.2 arcsec

Alternative designations of HR6399