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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:44 
Transit: 12:53 
Sunset: 19:00
sunny   (Daytime)  
What's Visible Now • Tonight Timeline
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All Constellations » Hercules » 

104 Herculis

Below the horizon.  Rise: 9:54 | Tran: 19:12 | Set: 4:33
Alt: -6.67°   Az: 8.35°   Direction: North

104 Herculis is a variable giant star of spectral class M3 in the constellation of Hercules.

104 Herculis visual magnitude is 4.97. Because of its moderate brightness, 104 Herculis is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of 104 Herculis star
DSS2 image of 104 Herculis. The red arrow shows the motion of 104 Herculis during the next 10000 years (-2.17 arcmin in Right Ascension and 5.00 arcmin in declination);

Celestial Coordinates

Apparent

18h 12m 50s
+31° 24’ 45”
12h 38m 55s
06h 51m 45s

J2000

18h 11m 54s
+31° 24’ 19”

Galactic Coordinates

58.2°
21.59°

Finder Chart

Finder chart 104 Herculis star
Simplified finder chart for 104 Herculis.

Magnitude, Color, Spectral Class

4.97
Giant

-1.36
M3III
3581K

The red dot in the diagram below shows where 104 Herculis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 104 Herculis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

104 Herculis is distant 601.48 light years from the Sun

184.50
601.48
-0.013 arcsec/y
0.03"/y

Alternative Designations

104 Herculis
SAO66737
SAO66737

Visibility from Your Location

Today's 104 Herculis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 58.6°
Max altitude: 69.9°
Azimuth: 301.4°