HR20
HR20 is a double sub-giant star of spectral class A7 in the constellation of Cepheus.
HR20 visual magnitude is 6.01. Because of its faintness, HR20 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
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where HR20 is situated in the Hertzsprung–Russell diagram.
Star System Properties
HR20 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR20 double sysyem:
Distance, Radial Speed, Proper Motion
HR20 is distant 380.84 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.
Alternative Designations
Visibility from Your Location
HR20 is circumpolar and transits at 08:13 UTC (altitude: 61.6°)