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: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:09 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Hercules » 


Altitude: 54.7°   Azimuth: 185.2°   Direction: South

HR6542 is a giant star in the constellation of Hercules.

HR6542 visual magnitude is 5.69. Because of its reltive faintness, HR6542 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 HR6542:


HR6542 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 54.7°
Azimuth: 185.2°
Direction: South

Celestial coordinates and finder chart of HR6542

HR6542 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 HR6542 are provided in the following table:

17h 33m 39s
+16° 19’ 02”

The simplified sky map below shows the position of HR6542 in the sky:

Finder chart HR6542 star
Simplified finder chart for HR6542.

Visibility of HR6542 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 HR6542 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: 73.7°
Max altitude: 54.8°
Azimuth: 286.3°
HR6542 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6542

The image below is a photograph of HR6542 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 HR6542 is -0.001 arcsec per year in Right Ascension and -0.051 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6542 star
DSS2 image of HR6542. The red arrow shows the motion of HR6542 during the next 10000 years (-0.17 arcmin in Right Ascension and -8.50 arcmin in declination);

Distance of HR6542 from the Sun and relative movement

HR6542 is distant 319.61 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

98.04 pc
319.61 ly
-22 km/s
-0.001 arcsec/year
-0.051 arcsec/year

Spectral properties of HR6542

HR6542 belongs to spectral class K0


The red dot in the diagram below shows where HR6542 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6542. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6542