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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:16 
Transit: 12:14 
Sunset: 17:12
wb_twilight   (Nautical Twilight)  
What's Visible Now • Tonight Timeline
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All Constellations » Cygnus » 

μ2 Cygni (mu2 Cygni)

Above the horizon.  Rise: 3:13 | Tran: 12:06 | Set: 20:58
Alt: 21.62°   Az: 289.61°   Direction: West-North-West

μ2 Cygni is a multiple main-sequence star of spectral class G2 in the constellation of Cygnus.

μ2 Cygni visual magnitude is 6.08. Because of its faintness, μ2 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 μ2 Cygni (mu2 Cygni) star
DSS2 image of μ2 Cygni. The red arrow shows the motion of μ2 Cygni during the next 1000 years (3.85 arcmin in Right Ascension and -3.65 arcmin in declination);

Celestial Coordinates

Apparent

21h 45m 15s
+28° 51’ 33”
06h 03m 50s
03h 49m 05s

J2000

21h 44m 08s
+28° 44’ 35”

Galactic Coordinates

80.58°
-18.34°

Finder Chart

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Finder chart for μ2 Cygni (mu2 Cygni).

Magnitude, Color, Spectral Class

6.08
Main-sequence

4.33
G2V
7101K

The red dot in the diagram below shows where μ2 Cygni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of μ2 Cygni. Attribution: Richard Powell / CC BY-SA

Star System Properties

μ2 Cygni is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the μ2 Cygni double sysyem:

6.08
7.38
1.3
2 arcsec

Distance, Radial Speed, Proper Motion

μ2 Cygni is distant 73.03 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

22.40
73.03
17 km/s
0.231 arcsec/y
-0.219"/y

Alternative Designations

μ2 Cygni
(mu2 Cygni)
SAO89939
SAO89939
Gl 836.6B

Visibility from Your Location

Today's μ2 Cygni (mu2 Cygni) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 61.1°
Max altitude: 67.4°
Azimuth: 298.9°