We use cookies to deliver essential features and to measure their performance. Learn more.
Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:17 
Transit: 12:46 
Sunset: 18:15
sunny   (Daytime)  
What's Visible Now • Tonight Timeline
Search  close
All Constellations » Cygnus » 

Aljanah - ε Cygni (epsilon Cygni)

Above the horizon.  Rise: 10:38 | Tran: 20:27 | Set: 6:20
Alt: 10.17°   Az: 46.51°   Direction: North-East

Aljanah, also designated as ε Cygni (epsilon Cygni), is a multiple hypergiant star of spectral class K0 in the constellation of Cygnus.

Aljanah visual magnitude is 2.46, making it the 88th brightest star in the sky. Because of its brightness, Aljanah is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of Aljanah - ε Cygni (epsilon Cygni) star
DSS2 image of Aljanah. The red arrow shows the motion of Aljanah during the next 1000 years (5.93 arcmin in Right Ascension and 5.47 arcmin in declination);

Celestial Coordinates

Apparent

20h 47m 12s
+34° 03’ 43”
15h 58m 08s
12h 45m 20s

J2000

20h 46m 12s
+33° 58’ 13”

Galactic Coordinates

75.94°
-5.71°

Finder Chart

Finder chart Aljanah - ε Cygni (epsilon Cygni) star
Simplified finder chart for Aljanah - ε Cygni (epsilon Cygni).

Magnitude, Color, Spectral Class

2.46
Hypergiant

0.74
K0III
4672K

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

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

Star System Properties

Aljanah is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the Aljanah double sysyem:

2.46
11.76
9.3
54.9 arcsec

Distance, Radial Speed, Proper Motion

Aljanah is distant 72.03 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

22.09
72.03
-11 km/s
0.356 arcsec/y
0.328"/y

Alternative Designations

Aljanah
ε Cygni
(epsilon Cygni)
SAO70474
SAO70474
Gl 806.1A

Visibility from Your Location

Today's Aljanah - ε Cygni (epsilon Cygni) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 55.9°
Max altitude: 72.6°
Azimuth: 304.1°