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public LocationGreenwich, UK
Sunrise: 5:07 
Transit: 13:06 
Sunset: 21:04
wb_twilight   (Nautical Twilight)   What's Visible Now?
All Constellations » Hercules » 


Above the horizon.  Circumpolar today
Alt: 37.65°   Az: 290.76°   Direction: West-North-West

HR6388 is a giant star of spectral class K3 in the constellation of Hercules.

HR6388 visual magnitude is 5.08. Because of its faintness, HR6388 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

HR6388 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere.

Image of HR6388 star
DSS2 image of HR6388. The red arrow shows the motion of HR6388 during the next 10000 years (-7.00 arcmin in Right Ascension and 2.00 arcmin in declination);

Celestial Coordinates


17h 10m 21s
+40° 44’ 51”
05h 10m 58s
22h 21m 19s


17h 09m 33s
+40° 46’ 37”

Galactic Coordinates


Finder Chart

Finder chart HR6388 star
Simplified finder chart for HR6388.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where HR6388 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6388. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6388 is distant 277.92 light years from the Sun and it is moving towards the Sun at the speed of 56 kilometers per second.

85.25 pc
277.92 ly
-56 km/s
-0.042 arcsec/y
0.012 "/y

Alternative Designations


Visibility from Your Location

HR6388 is circumpolar and transits at 21:17 UTC (altitude: 79.3°)