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


Above the horizon.  Rise: 14:37 | Tran: 21:46 | Set: 4:58
Alt: 16.02°   Az: 271.91°   Direction: West

HR6181 is a sub-giant star of spectral class F5 in the constellation of Hercules.

HR6181 visual magnitude is 6.31. Because of its faintness, HR6181 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.

HR6181 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year.

Image of HR6181 star
DSS2 image of HR6181. The red arrow shows the motion of HR6181 during the next 10000 years (-5.83 arcmin in Right Ascension and -10.50 arcmin in declination);

Celestial Coordinates


16h 38m 56s
+13° 38’ 21”
05h 25m 14s
22h 04m 10s


16h 37m 47s
+13° 41’ 12”

Galactic Coordinates


Finder Chart

Finder chart HR6181 star
Simplified finder chart for HR6181.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where HR6181 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6181. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6181 is distant 226.55 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

69.49 pc
226.55 ly
-21 km/s
-0.035 arcsec/y
-0.063 "/y

Alternative Designations


Visibility from Your Location

Today's HR6181 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 76.4°
Max altitude: 52.2°
Azimuth: 283.6°