ο Hydrae (omicron Hydrae)
ο Hydrae is a main-sequence star of spectral class B9 in the constellation of Hydra.
ο Hydrae visual magnitude is 4.7. Because of its moderate brightness, ο Hydrae 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
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where ο Hydrae is situated in the Hertzsprung–Russell diagram.
Distance, Radial Speed, Proper Motion
ο Hydrae is distant 494.69 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's ο Hydrae (omicron Hydrae) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):