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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: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Hercules » 

106 Herculis

Altitude: -15.5°   Azimuth: 346.5°   Direction: North-North-West

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

106 Herculis visual magnitude is 4.95. Because of its moderate brightness, 106 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 106 Herculis is 0.017 arcsec per year in Right Ascension and -0.056 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 106 Herculis star
DSS2 image of 106 Herculis. The red arrow shows the motion of 106 Herculis during the next 10000 years (2.83 arcmin in Right Ascension and -9.33 arcmin in declination);

Key facts about 106 Herculis


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

Altitude: -15.5°
Azimuth: 346.5°
Direction: North-North-West

Celestial coordinates and finder chart of 106 Herculis

106 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 106 Herculis are provided in the following table:

18h 20m 17s
+21° 57’ 41”

The simplified sky map below shows the position of 106 Herculis in the sky:

Finder chart 106 Herculis star
Simplified finder chart for 106 Herculis.

Visibility of 106 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 106 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: 68.0°
Max altitude: 60.5°
Azimuth: 292.0°

Distance of 106 Herculis from the Sun and relative movement

106 Herculis is distant 425.59 light years from the Sun and it is moving towards the Sun at the speed of 33 kilometers per second.

130.55 pc
425.59 ly
-33 km/s
0.017 arcsec/year
-0.056 arcsec/year

Spectral properties of 106 Herculis

106 Herculis belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 106 Herculis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 106 Herculis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 106 Herculis

106 Herculis