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


Below the horizon.  Rise: 22:59 | Tran: 0:55 | Set: 2:54
Altitude: -22.8°   Azimuth: 117.8°   Direction: East-South-East

HR6663 is a variable star of spectral class A in the constellation of Scorpius.

HR6663 visual magnitude is 6.42. Because of its faintness, HR6663 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 HR6663

Finder chart HR6663 star
Simplified finder chart for HR6663.

HR6663 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 HR6663 are provided in the following table:

17h 53m 58s
-34° 49’ 54”
Image of HR6663 star
DSS2 image of HR6663. The red arrow shows the motion of HR6663 during the next 10000 years (1.17 arcmin in Right Ascension and -3.83 arcmin in declination);

Key facts about HR6663


HR6663 is also a Si chemically peculiar star.


The red dot in the diagram below shows where HR6663 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6663. Attribution: Richard Powell / CC BY-SA

Distance of HR6663 from the Sun and relative movement

HR6663 is distant 973.13 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

298.51 pc
973.13 ly
-17 km/s
0.007 arcsec/year
-0.023 arcsec/year

Alternative designations of HR6663


Visibility of HR6663 from your location

Today's HR6663 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 124.8°
Max altitude: 3.7°
Azimuth: 235.2°