55 Cygni
55 Cygni is a variable and double supergiant star of spectral class B3 in the constellation of Cygnus.
55 Cygni visual magnitude is 4.84. Because of its moderate brightness, 55 Cygni 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 55 Cygni is situated in the Hertzsprung–Russell diagram.
Star System Properties
55 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 55 Cygni double sysyem:
Distance, Radial Speed, Proper Motion
55 Cygni is distant 2,248.28 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's 55 Cygni rise, transit and set times from Palo Alto, United States are the following (all times relative to the local timezone America/Los_Angeles):