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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: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Hercules » 


Altitude: 69.9°   Azimuth: 143.2°   Direction: South-East

HR6538 is a main-sequence star in the constellation of Hercules.

HR6538 visual magnitude is 6.56. Because of its reltive faintness, HR6538 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 HR6538:


HR6538 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 69.9°
Azimuth: 143.2°
Direction: South-East

Celestial coordinates and finder chart of HR6538

HR6538 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6538 are provided in the following table:

17h 32m 01s
+34° 16’ 14”

The simplified sky map below shows the position of HR6538 in the sky:

Finder chart HR6538 star
Simplified finder chart for HR6538.

Visibility of HR6538 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 HR6538 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: 55.7°
Max altitude: 72.8°
Azimuth: 304.3°

Digitized Sky Survey image of HR6538

The image below is a photograph of HR6538 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 HR6538 is -0.233 arcsec per year in Right Ascension and 0.05 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR6538 star
DSS2 image of HR6538. The red arrow shows the motion of HR6538 during the next 1000 years (-3.88 arcmin in Right Ascension and 0.83 arcmin in declination);

Distance of HR6538 from the Sun and relative movement

HR6538 is distant 77.25 light years from the Sun and it is moving towards the Sun at the speed of 52 kilometers per second.

23.70 pc
77.25 ly
-52 km/s
-0.233 arcsec/year
0.05 arcsec/year

Spectral properties of HR6538

HR6538 belongs to spectral class G5 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR6538 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6538. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6538