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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: 7:38  
clear_day Transit: 11:46  
SunsetSet: 15:54 south
sleep NighttimeWhat's Visible Now?
All Constellations » Ophiuchus » 


Altitude: 13.9°   Azimuth: 262.6°   Direction: West

HR6590 is a giant star in the constellation of Ophiuchus.

HR6590 visual magnitude is 5.95. Because of its reltive faintness, HR6590 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 HR6590:


HR6590 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 13.9°
Azimuth: 262.6°
Direction: West

Celestial coordinates and finder chart of HR6590

HR6590 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 HR6590 are provided in the following table:

17h 41m 32s
+06° 18’ 46”

The simplified sky map below shows the position of HR6590 in the sky:

Finder chart HR6590 star
Simplified finder chart for HR6590.

Visibility of HR6590 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 HR6590 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: 83.7°
Max altitude: 44.8°
Azimuth: 276.3°

Digitized Sky Survey image of HR6590

The image below is a photograph of HR6590 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 HR6590 is -0.005 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6590 star
DSS2 image of HR6590. The red arrow shows the motion of HR6590 during the next 10000 years (-0.83 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of HR6590 from the Sun and relative movement

HR6590 is distant 1,239.54 light years from the Sun and it is moving towards the Sun at the speed of 31 kilometers per second.

380.23 pc
1,239.54 ly
-31 km/s
-0.005 arcsec/year
-0.01 arcsec/year

Spectral properties of HR6590

HR6590 belongs to spectral class G7 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR6590 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6590. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6590