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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:47  
clear_day Transit: 12:50  
SunsetSet: 18:52 south
sunny DaytimeWhat's Visible Now
All Constellations » Hercules » 

8 Herculis

Altitude: 55.1°   Azimuth: 193.7°   Direction: South-South-West

8 Herculis is a variable hypergiant star in the constellation of Hercules.

8 Herculis visual magnitude is 6.14. Because of its reltive faintness, 8 Herculis 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 8 Herculis:


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

Altitude: 55.1°
Azimuth: 193.7°
Direction: South-South-West

Celestial coordinates and finder chart of 8 Herculis

8 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 8 Herculis are provided in the following table:

16h 08m 46s
+17° 12’ 20”

The simplified sky map below shows the position of 8 Herculis in the sky:

Finder chart 8 Herculis star
Simplified finder chart for 8 Herculis.

Visibility of 8 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 8 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: 72.8°
Max altitude: 55.7°
Azimuth: 287.2°

Digitized Sky Survey image of 8 Herculis

The image below is a photograph of 8 Herculis 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 8 Herculis is -0.021 arcsec per year in Right Ascension and -0.026 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 8 Herculis star
DSS2 image of 8 Herculis. The red arrow shows the motion of 8 Herculis during the next 10000 years (-3.50 arcmin in Right Ascension and -4.33 arcmin in declination);

Distance of 8 Herculis from the Sun and relative movement

8 Herculis is distant 367.12 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

112.61 pc
367.12 ly
-17 km/s
-0.021 arcsec/year
-0.026 arcsec/year

Spectral properties of 8 Herculis

8 Herculis belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where 8 Herculis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 8 Herculis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 8 Herculis