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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: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
sunny DaytimeWhat's Visible Now?
All Constellations » Hercules » 

56 Herculis

Altitude: 10.8°   Azimuth: 298.0°   Direction: West-North-West

56 Herculis is a double giant star in the constellation of Hercules.

56 Herculis visual magnitude is 6.08. Because of its reltive faintness, 56 Herculis should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of 56 Herculis is 0.014 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 56 Herculis star
DSS2 image of 56 Herculis. The red arrow shows the motion of 56 Herculis during the next 10000 years (2.33 arcmin in Right Ascension and -3.50 arcmin in declination);

Key facts about 56 Herculis


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

Altitude: 10.8°
Azimuth: 298.0°
Direction: West-North-West

Celestial coordinates and finder chart of 56 Herculis

56 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 56 Herculis are provided in the following table:

16h 55m 02s
+25° 43’ 50”

The simplified sky map below shows the position of 56 Herculis in the sky:

Finder chart 56 Herculis star
Simplified finder chart for 56 Herculis.

Visibility of 56 Herculis 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 56 Herculis 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: 64.3°
Max altitude: 64.3°
Azimuth: 295.7°

Distance of 56 Herculis from the Sun and relative movement

56 Herculis is distant 456.58 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

140.06 pc
456.58 ly
1 km/s
0.014 arcsec/year
-0.021 arcsec/year

Spectral properties of 56 Herculis

56 Herculis belongs to spectral class G5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 56 Herculis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 56 Herculis. Attribution: Richard Powell / CC BY-SA

56 Herculis star system properties

56 Herculis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 56 Herculis double sysyem:

17.9 arcsec

Alternative designations of 56 Herculis

56 Herculis