77 Cygni
77 Cygni is a double hypergiant star of spectral class A0 in the constellation of Cygnus.
77 Cygni visual magnitude is 5.69. Because of its faintness, 77 Cygni 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 77 Cygni.
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where 77 Cygni is situated in the Hertzsprung–Russell diagram.
Star System Properties
77 Cygni 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 77 Cygni double sysyem:
Distance, Radial Speed, Proper Motion
77 Cygni is distant 372.15 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.
Alternative Designations
Visibility from Your Location
77 Cygni is circumpolar and transits at 22:01 UTC (altitude: 79.7°)