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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:21 
Transit: 12:14 
Sunset: 17:07
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All Constellations » Hercules » 

101 Herculis

Below the horizon.  Rise: 0:56 | Tran: 8:43 | Set: 16:29
Alt: -12.54°   Az: 32.51°   Direction: North-North-East

101 Herculis is a giant star of spectral class A8 in the constellation of Hercules.

101 Herculis visual magnitude is 5.1. Because of its faintness, 101 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.

Image of 101 Herculis star
DSS2 image of 101 Herculis. The red arrow shows the motion of 101 Herculis during the next 10000 years (1.33 arcmin in Right Ascension and -3.33 arcmin in declination);

Celestial Coordinates

Apparent

18h 09m 57s
+20° 03’ 03”
14h 15m 47s
08h 25m 44s

J2000

18h 08m 52s
+20° 02’ 43”

Galactic Coordinates

46.68°
18.1°

Finder Chart

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Finder chart for 101 Herculis.

Magnitude, Color, Spectral Class

5.1
Giant

0.13
A8III
8571K

The red dot in the diagram below shows where 101 Herculis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 101 Herculis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

101 Herculis is distant 320.87 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

98.43
320.87
-16 km/s
0.008 arcsec/y
-0.02"/y

Alternative Designations

101 Herculis
SAO85770
SAO85770

Visibility from Your Location

Today's 101 Herculis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 69.9°
Max altitude: 58.6°
Azimuth: 290.1°