Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:09 
Transit: 12:56 
Sunset: 20:44
warning Set your observing location to get relevant data
wb_twilight   (Astronomical Twilight)  
Planets Visible Tonight
Planets Visible Tonight
 • 
What's Visible Now • Tonight Sky
Search  close
All Constellations » Cepheus » 

9 Cephei

Above the horizon.  Circumpolar today
Alt: 35.02°   Az: 31.35°   Direction: North-North-East

9 Cephei is a variable supergiant star of spectral class B2 in the constellation of Cepheus.

9 Cephei visual magnitude is 4.73. Because of its moderate brightness, 9 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 9 Cephei star
DSS2 image of 9 Cephei. The red arrow shows the motion of 9 Cephei during the next 100000 years (-5.00 arcmin in Right Ascension and -3.33 arcmin in declination);

Celestial Coordinates

Apparent

21h 38m 36s
+62° 11’ 49”
16h 23m 59s
14h 02m 35s

J2000

21h 37m 55s
+62° 04’ 54”

Galactic Coordinates

102.27°
7.25°

Finder Chart

loader
  Loading map...
Finder chart for 9 Cephei.

Magnitude, Color, Spectral Class

4.73
Supergiant

-5.98
B2I
7462K

The red dot in the diagram below shows where 9 Cephei is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 9 Cephei. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

9 Cephei is distant 4,527.78 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

1,388.89
4,527.78
-13 km/s
-0.003 arcsec/y
-0.002"/y

Alternative Designations

SAO19541
SAO19541

Visibility from Your Location

9 Cephei is circumpolar and transits at 06:05 UTC (altitude: 79.3°)