30 Cephei is a sub-giant star in the constellation of Cepheus.
30 Cephei visual magnitude is 5.19. Because of its reltive faintness, 30 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 30 Cephei:
Celestial coordinates and finder chart of 30 Cephei
30 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 30 Cephei are provided in the following table:
The simplified sky map below shows the position of 30 Cephei in the sky:
Visibility of 30 Cephei from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
30 Cephei is circumpolar and transits at 10:47 UTC (altitude: 77.9°)
Digitized Sky Survey image of 30 Cephei
The image below is a photograph of 30 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 30 Cephei is -0.003 arcsec per year in Right Ascension and -0.025 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of 30 Cephei from the Sun and relative movement
30 Cephei is distant 319.61 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.
Spectral properties of 30 Cephei
30 Cephei belongs to spectral class A3 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where 30 Cephei is situated in the Hertzsprung–Russell diagram.