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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:12 
Transit: 13:06 
Sunset: 20:59
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Cepheus » 

11 Cephei

Above the horizon.  Circumpolar today
Alt: 58.12°   Az: 30.46°   Direction: North-North-East

11 Cephei is a giant star of spectral class K1 in the constellation of Cepheus.

11 Cephei visual magnitude is 4.56. Because of its moderate brightness, 11 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.

Image of 11 Cephei star
DSS2 image of 11 Cephei. The red arrow shows the motion of 11 Cephei during the next 1000 years (1.95 arcmin in Right Ascension and 1.65 arcmin in declination);

Celestial Coordinates

Apparent

21h 42m 15s
+71° 25’ 26”
20h 11m 15s
17h 53m 31s

J2000

21h 41m 55s
+71° 18’ 41”

Galactic Coordinates

108.88°
13.82°

Finder Chart

Finder chart 11 Cephei star
Simplified finder chart for 11 Cephei.

Magnitude, Color, Spectral Class

4.56
Giant

0.90
K1III
4515K

The red dot in the diagram below shows where 11 Cephei is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 11 Cephei. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

11 Cephei is distant 175.74 light years from the Sun and it is moving towards the Sun at the speed of 37 kilometers per second.

53.91
175.74
-37 km/s
0.117 arcsec/y
0.099"/y

Alternative Designations

SAO10126
SAO10126

Visibility from Your Location

11 Cephei is circumpolar and transits at 01:37 UTC (altitude: 70.1°)