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public LocationGreenwich, UK
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:17
sunny   (Daytime)   What's Visible Now?


Above the horizon.  Rise: 18:56 | Tran: 1:01 | Set: 7:02
Altitude: 2.3°   Azimuth: 91.8°   Direction: East

HR6684 is a variable sub-giant star of spectral class B2 in the constellation of Ophiuchus.

HR6684 visual magnitude is 5.82. Because of its faintness, HR6684 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.

Celestial coordinates and finder chart of HR6684

Finder chart HR6684 star
Simplified finder chart for HR6684.

HR6684 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 HR6684 are provided in the following table:

17h 56m 18s
+00° 40’ 13”
Image of HR6684 star
DSS2 image of HR6684. The red arrow shows the motion of HR6684 during the next 100000 years (-8.33 arcmin in Right Ascension and 5.00 arcmin in declination);

Key facts about HR6684


and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR6684 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6684. Attribution: Richard Powell / CC BY-SA

Distance of HR6684 from the Sun and relative movement

HR6684 is distant 829.52 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

254.45 pc
829.52 ly
-17 km/s
-0.005 arcsec/year
0.003 arcsec/year

Alternative designations of HR6684


Visibility of HR6684 from your location

Today's HR6684 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 89.3°
Max altitude: 39.2°
Azimuth: 270.7°