Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:00  
clear_day Transit: 12:48  
SunsetSet: 18:34 south
sleep NighttimeWhat's Visible Now
All Constellations » Ophiuchus » 


Altitude: 17.9°   Azimuth: 249.8°   Direction: West-South-West

HR6575 is a multiple hypergiant star in the constellation of Ophiuchus.

HR6575 visual magnitude is 6.26. Because of its reltive faintness, HR6575 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 HR6575:


HR6575 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 17.9°
Azimuth: 249.8°
Direction: West-South-West

Celestial coordinates and finder chart of HR6575

HR6575 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 HR6575 are provided in the following table:

17h 39m 08s
+02° 01’ 41”

The simplified sky map below shows the position of HR6575 in the sky:

Finder chart HR6575 star
Simplified finder chart for HR6575.

Visibility of HR6575 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 HR6575 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: 88.0°
Max altitude: 40.5°
Azimuth: 272.0°

Digitized Sky Survey image of HR6575

The image below is a photograph of HR6575 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 HR6575 is 0.04 arcsec per year in Right Ascension and -0.021 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6575 star
DSS2 image of HR6575. The red arrow shows the motion of HR6575 during the next 10000 years (6.67 arcmin in Right Ascension and -3.50 arcmin in declination);

Distance of HR6575 from the Sun and relative movement

HR6575 is distant 387.17 light years from the Sun

118.76 pc
387.17 ly
0.04 arcsec/year
-0.021 arcsec/year

Spectral properties of HR6575

HR6575 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR6575 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6575. Attribution: Richard Powell / CC BY-SA

HR6575 star system properties

HR6575 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR6575 double sysyem:

111.2 arcsec

Alternative designations of HR6575