27 Cygni is a variable and multiple hypergiant star in the constellation of Cygnus.
27 Cygni visual magnitude is 5.36. Because of its reltive faintness, 27 Cygni should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.
The table below summarizes the key facts about 27 Cygni:
Celestial coordinates and finder chart of 27 Cygni
27 Cygni is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 27 Cygni are provided in the following table:
The simplified sky map below shows the position of 27 Cygni in the sky:
Visibility of 27 Cygni from your location
Digitized Sky Survey image of 27 Cygni
The image below is a photograph of 27 Cygni from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 27 Cygni is -0.224 arcsec per year in Right Ascension and -0.438 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of 27 Cygni from the Sun and relative movement
27 Cygni is distant 78.86 light years from the Sun and it is moving towards the Sun at the speed of 33 kilometers per second.
Spectral properties of 27 Cygni
27 Cygni belongs to spectral class K0 and has a luminosity class of IV corresponding to a hypergiant star.
The red dot in the diagram below shows where 27 Cygni is situated in the Hertzsprung–Russell diagram.
27 Cygni star system properties
27 Cygni is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 27 Cygni double sysyem: