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public LocationGreenwich, UK
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?
All Constellations » Scorpius » 


Below the horizon.  Rise: 21:29 | Tran: 23:18 | Set: 1:11
Altitude: -35.5°   Azimuth: 256.0°   Direction: West-South-West

HR6166 is a variable giant star of spectral class K6 in the constellation of Scorpius.

HR6166 visual magnitude is 4.16. Because of its moderate brightness, HR6166 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Celestial coordinates and finder chart of HR6166

Finder chart HR6166 star
Simplified finder chart for HR6166.

HR6166 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6166 are provided in the following table:

16h 36m 22s
-35° 15’ 20”
Image of HR6166 star
DSS2 image of HR6166. The red arrow shows the motion of HR6166 during the next 10000 years (3.67 arcmin in Right Ascension and 0.00 arcmin in declination);

Key facts about HR6166


and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR6166 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6166. Attribution: Richard Powell / CC BY-SA

Distance of HR6166 from the Sun and relative movement

HR6166 is distant 338.53 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

103.84 pc
338.53 ly
-2 km/s
0.022 arcsec/year

Alternative designations of HR6166


Visibility of HR6166 from your location

Today's HR6166 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 125.3°
Max altitude: 3.3°
Azimuth: 234.7°