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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:38  
clear_day Transit: 12:10  
SunsetSet: 17:43
sleep NighttimeWhat's Visible Now?
All Constellations » Scorpius » 


Altitude: -36.0°   Azimuth: 102.7°   Direction: East-South-East

HR6662 is a variable and double main-sequence star in the constellation of Scorpius.

HR6662 visual magnitude is 5.96. Because of its reltive faintness, HR6662 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 HR6662 is 0.021 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6662 star
DSS2 image of HR6662. The red arrow shows the motion of HR6662 during the next 10000 years (3.50 arcmin in Right Ascension and -0.50 arcmin in declination);

Key facts about HR6662


HR6662 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -36.0°
Azimuth: 102.7°
Direction: East-South-East

Celestial coordinates and finder chart of HR6662

HR6662 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 HR6662 are provided in the following table:

17h 53m 54s
-34° 45’ 08”

The simplified sky map below shows the position of HR6662 in the sky:

Finder chart HR6662 star
Simplified finder chart for HR6662.

Visibility of HR6662 from your location

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

Today's HR6662 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 124.8°
Max altitude: 3.8°
Azimuth: 235.2°

Distance of HR6662 from the Sun and relative movement

HR6662 is distant 1,009.29 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

309.60 pc
1,009.29 ly
-5 km/s
0.021 arcsec/year
-0.003 arcsec/year

Spectral properties of HR6662

HR6662 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR6662 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6662. Attribution: Richard Powell / CC BY-SA

HR6662 star system properties

HR6662 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR6662 double sysyem:

0.3 arcsec

Alternative designations of HR6662