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public LocationGreenwich, UK
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Sagittarius » 


Above the horizon.  Rise: 20:42 | Tran: 1:04 | Set: 5:23
Altitude: 19.1°   Azimuth: 168.1°   Direction: South-South-East

HR6825 is a double hypergiant star of spectral class A0 in the constellation of Sagittarius.

HR6825 visual magnitude is 6.07. Because of its faintness, HR6825 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 HR6825

Finder chart HR6825 star
Simplified finder chart for HR6825.

HR6825 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 HR6825 are provided in the following table:

18h 15m 30s
-18° 39’ 41”
Image of HR6825 star
DSS2 image of HR6825. The red arrow shows the motion of HR6825 during the next 10000 years (2.33 arcmin in Right Ascension and 1.00 arcmin in declination);

Key facts about HR6825


and has a luminosity class of I corresponding to a hypergiant star.


The red dot in the diagram below shows where HR6825 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6825. Attribution: Richard Powell / CC BY-SA

HR6825 star system properties

HR6825 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 HR6825 double sysyem:

10.1 arcsec

Distance of HR6825 from the Sun and relative movement

HR6825 is distant 3,927.71 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

1,204.82 pc
3,927.71 ly
2 km/s
0.014 arcsec/year
0.006 arcsec/year

Alternative designations of HR6825


Visibility of HR6825 from your location

Today's HR6825 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.7°
Max altitude: 19.9°
Azimuth: 251.3°