ο Herculis (omicron Herculis)
ο Herculis is a variable main-sequence star of spectral class B9 in the constellation of Hercules.
ο Herculis visual magnitude is 3.83. Because of its moderate brightness, ο 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 ο Herculis (omicron Herculis).
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where ο Herculis is situated in the Hertzsprung–Russell diagram.
Distance, Radial Speed, Proper Motion
ο Herculis is distant 347.18 light years from the Sun and it is moving towards the Sun at the speed of 30 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's ο Herculis (omicron Herculis) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):