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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:12 
Transit: 12:56 
Sunset: 20:41
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All Constellations » Cepheus » 

18 Cephei

Above the horizon.  Circumpolar today
Alt: 26.75°   Az: 346.50°   Direction: North-North-West

18 Cephei is a variable giant star of spectral class M5 in the constellation of Cepheus.

18 Cephei visual magnitude is 5.29. Because of its faintness, 18 Cephei 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.

Image of 18 Cephei star
DSS2 image of 18 Cephei. The red arrow shows the motion of 18 Cephei during the next 10000 years (5.17 arcmin in Right Ascension and 9.17 arcmin in declination);

Celestial Coordinates

Apparent

22h 04m 38s
+63° 14’ 35”
10h 09m 42s
08h 14m 20s

J2000

22h 03m 52s
+63° 07’ 10”

Galactic Coordinates

105.26°
6.15°

Finder Chart

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Finder chart for 18 Cephei.

Magnitude, Color, Spectral Class

5.29
Giant

-0.40
M5III
3677K

The red dot in the diagram below shows where 18 Cephei is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 18 Cephei. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

18 Cephei is distant 448.42 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

137.55
448.42
-4 km/s
0.031 arcsec/y
0.055"/y

Alternative Designations

SAO19828
SAO19828

Visibility from Your Location

18 Cephei is circumpolar and transits at 06:39 UTC (altitude: 78.2°)