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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:44 
Transit: 12:53 
Sunset: 19:00
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All Constellations » Cygnus » 

β2 Cygni (beta2 Cygni)

Below the horizon.  Rise: 11:46 | Tran: 20:31 | Set: 5:19
Alt: -10.22°   Az: 6.81°   Direction: North

β2 Cygni is a multiple main-sequence star of spectral class B8 in the constellation of Cygnus.

β2 Cygni visual magnitude is 5.11. Because of its faintness, β2 Cygni is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of β2 Cygni (beta2 Cygni) star
DSS2 image of β2 Cygni. The red arrow shows the motion of β2 Cygni during the next 100000 years (-15.00 arcmin in Right Ascension and 0.00 arcmin in declination);

Celestial Coordinates

Apparent

19h 31m 45s
+28° 01’ 07”
12h 30m 21s
08h 02m 06s

J2000

19h 30m 45s
+27° 57’ 55”

Galactic Coordinates

62.12°
4.57°

Finder Chart

Finder chart β2 Cygni (beta2 Cygni) star
Simplified finder chart for β2 Cygni (beta2 Cygni).

Magnitude, Color, Spectral Class

5.11
Main-sequence

-0.20
B8V
11573K

The red dot in the diagram below shows where β2 Cygni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of β2 Cygni. Attribution: Richard Powell / CC BY-SA

Star System Properties

β2 Cygni is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the β2 Cygni double sysyem:

5.11
7.11
2
34.7 arcsec

Distance, Radial Speed, Proper Motion

β2 Cygni is distant 376.01 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

115.34
376.01
-18 km/s
-0.009 arcsec/y

Alternative Designations

β2 Cygni
(beta2 Cygni)
SAO87302
SAO87302

Visibility from Your Location

Today's β2 Cygni (beta2 Cygni) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 62.0°
Max altitude: 66.5°
Azimuth: 298.0°