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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: 7:49  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Hercules » 


Altitude: 43.0°   Azimuth: 127.5°   Direction: South-East

HR6543 is a variable giant star in the constellation of Hercules.

HR6543 visual magnitude is 6.48. Because of its reltive faintness, HR6543 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 HR6543:


HR6543 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 43.0°
Azimuth: 127.5°
Direction: South-East

Celestial coordinates and finder chart of HR6543

HR6543 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 HR6543 are provided in the following table:

17h 33m 42s
+14° 50’ 30”

The simplified sky map below shows the position of HR6543 in the sky:

Finder chart HR6543 star
Simplified finder chart for HR6543.

Visibility of HR6543 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 HR6543 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: 75.2°
Max altitude: 53.4°
Azimuth: 284.8°

Digitized Sky Survey image of HR6543

The image below is a photograph of HR6543 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 HR6543 is 0.023 arcsec per year in Right Ascension and -0.07 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6543 star
DSS2 image of HR6543. The red arrow shows the motion of HR6543 during the next 10000 years (3.83 arcmin in Right Ascension and -11.67 arcmin in declination);

Distance of HR6543 from the Sun and relative movement

HR6543 is distant 719.65 light years from the Sun and it is moving far from the Sun at the speed of 30 kilometers per second.

220.75 pc
719.65 ly
30 km/s
0.023 arcsec/year
-0.07 arcsec/year

Spectral properties of HR6543

HR6543 belongs to spectral class M4 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR6543 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6543. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6543