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public LocationGreenwich, UK
Sunrise: 5:07 
Transit: 13:06 
Sunset: 21:04
wb_twilight   (Nautical Twilight)   What's Visible Now?
All Constellations » Cepheus » 

ι Cephei (iota Cephei)

Above the horizon.  Circumpolar today
Alt: 75.07°   Az: 355.10°   Direction: North

ι Cephei is a hypergiant star of spectral class K0 in the constellation of Cepheus.

ι Cephei visual magnitude is 3.52. Because of its moderate brightness, ι Cephei 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.

ι 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.

Image of ι Cephei (iota Cephei) star
DSS2 image of ι Cephei. The red arrow shows the motion of ι Cephei during the next 1000 years (-1.08 arcmin in Right Ascension and -2.08 arcmin in declination);

Celestial Coordinates


22h 50m 33s
+66° 19’ 51”
00h 12m 34s
23h 03m 08s


22h 49m 40s
+66° 12’ 02”

Galactic Coordinates


Finder Chart

Finder chart ι Cephei (iota Cephei) star
Simplified finder chart for ι Cephei (iota Cephei).

Magnitude, Color, Spectral Class



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

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

Distance, Radial Speed, Proper Motion

ι Cephei is distant 115.32 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

35.37 pc
115.32 ly
-12 km/s
-0.065 arcsec/y
-0.125 "/y

Alternative Designations

ι Cephei
(iota Cephei)

Visibility from Your Location

ι Cephei (iota Cephei) is circumpolar and transits at 03:00 UTC (altitude: 75.1°)