μ Herculis (mu Herculis)
μ Herculis is a multiple sub-giant star of spectral class G5 in the constellation of Hercules.
μ Herculis visual magnitude is 3.42. Because of its moderate brightness, μ 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.
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Simplified finder chart for μ Herculis (mu Herculis).
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where μ Herculis is situated in the Hertzsprung–Russell diagram.
Star System Properties
μ Herculis is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the μ Herculis double sysyem:
Distance, Radial Speed, Proper Motion
μ Herculis is distant 27.38 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's μ Herculis (mu Herculis) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):