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public LocationGreenwich, United Kingdom
Sunrise: 4:53 
Transit: 12:55 
Sunset: 20:59
sunny   (Daytime)   What's Visible Now?


Altitude: -36.8°   Azimuth: 119.3°   Direction: East-South-East

HR6331 is a main-sequence star in the constellation of Scorpius.

HR6331 visual magnitude is 6.28. Because of its reltive faintness, HR6331 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR6331 is -0.031 arcsec per year in Right Ascension and -0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6331 star
DSS2 image of HR6331. The red arrow shows the motion of HR6331 during the next 10000 years (-5.17 arcmin in Right Ascension and -2.83 arcmin in declination);

Key facts about HR6331


HR6331 is below the horizon from Greenwich, United Kingdom.

Altitude: -36.8°
Azimuth: 119.3°
Direction: East-South-East

Celestial coordinates and finder chart of HR6331

HR6331 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 HR6331 are provided in the following table:

17h 05m 05s
-45° 30’ 06”

The simplified sky map below shows the position of HR6331 in the sky:

Finder chart HR6331 star
Simplified finder chart for HR6331.

Visibility of HR6331 from your location

Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR6331 is currently not visible from Greenwich, United Kingdom

Distance of HR6331 from the Sun and relative movement

HR6331 is distant 318.98 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

97.85 pc
318.98 ly
-5 km/s
-0.031 arcsec/year
-0.017 arcsec/year

Spectral properties of HR6331

HR6331 belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR6331 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6331. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6331