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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: 6:38  
clear_day Transit: 12:10  
SunsetSet: 17:43
sleep NighttimeWhat's Visible Now?
All Constellations » Hercules » 

84 Herculis

Altitude: -11.1°   Azimuth: 22.9°   Direction: North-North-East

84 Herculis is a giant star in the constellation of Hercules.

84 Herculis visual magnitude is 5.71. Because of its reltive faintness, 84 Herculis should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of 84 Herculis is -0.115 arcsec per year in Right Ascension and 0.071 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 84 Herculis star
DSS2 image of 84 Herculis. The red arrow shows the motion of 84 Herculis during the next 1000 years (-1.92 arcmin in Right Ascension and 1.18 arcmin in declination);

Key facts about 84 Herculis


84 Herculis is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -11.1°
Azimuth: 22.9°
Direction: North-North-East

Celestial coordinates and finder chart of 84 Herculis

84 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 84 Herculis are provided in the following table:

17h 43m 21s
+24° 19’ 40”

The simplified sky map below shows the position of 84 Herculis in the sky:

Finder chart 84 Herculis star
Simplified finder chart for 84 Herculis.

Visibility of 84 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 84 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: 65.7°
Max altitude: 62.8°
Azimuth: 294.3°

Distance of 84 Herculis from the Sun and relative movement

84 Herculis is distant 124.76 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

38.27 pc
124.76 ly
-26 km/s
-0.115 arcsec/year
0.071 arcsec/year

Spectral properties of 84 Herculis

84 Herculis belongs to spectral class G2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 84 Herculis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 84 Herculis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 84 Herculis

84 Herculis