20 Cephei is a variable giant star in the constellation of Cepheus.
20 Cephei visual magnitude is 5.27. Because of its reltive faintness, 20 Cephei 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 20 Cephei:
Celestial coordinates and finder chart of 20 Cephei
20 Cephei is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 20 Cephei are provided in the following table:
The simplified sky map below shows the position of 20 Cephei in the sky:
Visibility of 20 Cephei from your location
20 Cephei is circumpolar and transits at 00:33 UTC (altitude: 78.7°)
Digitized Sky Survey image of 20 Cephei
The image below is a photograph of 20 Cephei 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 20 Cephei is 0.015 arcsec per year in Right Ascension and 0.058 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of 20 Cephei from the Sun and relative movement
20 Cephei is distant 318.05 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.
Spectral properties of 20 Cephei
20 Cephei belongs to spectral class K4 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where 20 Cephei is situated in the Hertzsprung–Russell diagram.