HR391
HR391 is a multiple main-sequence star of spectral class F4 in the constellation of Cassiopeia.
HR391 visual magnitude is 6.45. Because of its faintness, HR391 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.
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Simplified finder chart for HR391.
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where HR391 is situated in the Hertzsprung–Russell diagram.
Star System Properties
HR391 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 HR391 double sysyem:
Distance, Radial Speed, Proper Motion
HR391 is distant 188.00 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.
Alternative Designations
Visibility from Your Location
HR391 is circumpolar and transits at 23:52 UTC (altitude: 83.2°)