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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:02 
Transit: 12:55 
Sunset: 20:48
sunny   (Daytime)   What's Visible Now?

ι Cephei (iota Cephei)

Altitude: 28.0°   Azimuth: 5.1°   Direction: North

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

ι Cephei visual magnitude is 3.52. Because of its moderate brightness, ι Cephei should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of ι Cephei is -0.065 arcsec per year in Right Ascension and -0.125 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

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);

Key facts about ι Cephei

3.52
Hypergiant

ι Cephei (iota Cephei) is above the horizon from Greenwich, United Kingdom.

Altitude: 28.0°
Azimuth: 5.1°
Direction: North

Celestial coordinates and finder chart of ι Cephei

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. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ι Cephei are provided in the following table:

22h 49m 40s
+66° 12’ 02”
111.07°
6.18°
Cepheus

The simplified sky map below shows the position of ι Cephei in the sky:

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

Visibility of ι Cephei from your location

Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

ι Cephei (iota Cephei) is circumpolar and transits at 06:59 UTC (altitude: 75.3°)

Distance of ι Cephei from the Sun and relative movement

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/year
-0.125 arcsec/year

Spectral properties of ι Cephei

ι Cephei belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

0.78
K0III
4626K

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

Alternative designations of ι Cephei

ι Cephei
(iota Cephei)
SAO20268
SAO20268