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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
SunriseRise: 6:48  
clear_day Transit: 12:11  
SunsetSet: 17:34
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All Constellations » Hercules » 

52 Herculis

Altitude: 84.5°   Azimuth: 187.8°   Direction: South

52 Herculis is a variable and multiple main-sequence star in the constellation of Hercules.

52 Herculis visual magnitude is 4.82. Because of its moderate brightness, 52 Herculis should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of 52 Herculis is 0.026 arcsec per year in Right Ascension and -0.055 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 52 Herculis star
DSS2 image of 52 Herculis. The red arrow shows the motion of 52 Herculis during the next 10000 years (4.33 arcmin in Right Ascension and -9.17 arcmin in declination);

Key facts about 52 Herculis


52 Herculis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 84.5°
Azimuth: 187.8°
Direction: South

Celestial coordinates and finder chart of 52 Herculis

52 Herculis 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 52 Herculis are provided in the following table:

16h 49m 14s
+45° 58’ 59”

The simplified sky map below shows the position of 52 Herculis in the sky:

Finder chart 52 Herculis star
Simplified finder chart for 52 Herculis.

Visibility of 52 Herculis from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

52 Herculis is circumpolar and transits at 06:18 UTC (altitude: 84.5°)

Distance of 52 Herculis from the Sun and relative movement

52 Herculis is distant 175.08 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

53.71 pc
175.08 ly
-1 km/s
0.026 arcsec/year
-0.055 arcsec/year

Spectral properties of 52 Herculis

52 Herculis belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star. 52 Herculis is also a SrCrEu chemically peculiar star.


The red dot in the diagram below shows where 52 Herculis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 52 Herculis. Attribution: Richard Powell / CC BY-SA

52 Herculis star system properties

52 Herculis is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the 52 Herculis double sysyem:

1.8 arcsec

Alternative designations of 52 Herculis

52 Herculis