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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:16
sunny   (Daytime)   What's Visible Now?

54 Herculis

Below the horizon.  Rise: 16:36 | Tran: 0:12 | Set: 7:52
Altitude: -19.5°   Azimuth: 10.7°   Direction: North

54 Herculis is a multiple giant star of spectral class K4 in the constellation of Hercules.

54 Herculis visual magnitude is 5.35. Because of its faintness, 54 Herculis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of 54 Herculis

Finder chart 54 Herculis star
Simplified finder chart for 54 Herculis.

54 Herculis 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 54 Herculis are provided in the following table:

16h 55m 22s
+18° 25’ 59”
Image of 54 Herculis star
DSS2 image of 54 Herculis. The red arrow shows the motion of 54 Herculis during the next 1000 years (-1.83 arcmin in Right Ascension and 0.23 arcmin in declination);

Key facts about 54 Herculis


and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 54 Herculis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 54 Herculis. Attribution: Richard Powell / CC BY-SA

54 Herculis star system properties

54 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 54 Herculis double sysyem:

2.5 arcsec

Distance of 54 Herculis from the Sun and relative movement

54 Herculis is distant 354.73 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

108.81 pc
354.73 ly
12 km/s
-0.11 arcsec/year
0.014 arcsec/year

Alternative designations of 54 Herculis

54 Herculis

Visibility of 54 Herculis from your location

Today's 54 Herculis rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 71.6°
Max altitude: 57.0°
Azimuth: 288.4°