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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
north SunriseRise: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
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All Constellations » Scorpius » 


Altitude: -4.9°   Azimuth: 171.1°   Direction: South

HR6558 is a main-sequence star in the constellation of Scorpius.

HR6558 visual magnitude is 6.1. Because of its reltive faintness, HR6558 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR6558:


HR6558 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -4.9°
Azimuth: 171.1°
Direction: South

Celestial coordinates and finder chart of HR6558

HR6558 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 HR6558 are provided in the following table:

17h 38m 08s
-42° 52’ 50”

The simplified sky map below shows the position of HR6558 in the sky:

Finder chart HR6558 star
Simplified finder chart for HR6558.

Visibility of HR6558 from your location

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

HR6558 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR6558

The image below is a photograph of HR6558 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR6558 is 0.002 arcsec per year in Right Ascension and -0.041 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6558 star
DSS2 image of HR6558. The red arrow shows the motion of HR6558 during the next 10000 years (0.33 arcmin in Right Ascension and -6.83 arcmin in declination);

Distance of HR6558 from the Sun and relative movement

HR6558 is distant 692.14 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

212.31 pc
692.14 ly
13 km/s
0.002 arcsec/year
-0.041 arcsec/year

Spectral properties of HR6558

HR6558 belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR6558 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6558. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6558