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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?

μ1 Cygni (mu1 Cygni)

Below the horizon.  Rise: 19:49 | Tran: 4:44 | Set: 13:36
Altitude: -9.3°   Azimuth: 8.8°   Direction: North

μ1 Cygni is a multiple main-sequence star of spectral class F6 in the constellation of Cygnus.

μ1 Cygni visual magnitude is 4.73. Because of its moderate brightness, μ1 Cygni 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.

Celestial coordinates and finder chart of μ1 Cygni

Finder chart μ1 Cygni (mu1 Cygni) star
Simplified finder chart for μ1 Cygni (mu1 Cygni).

μ1 Cygni is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of μ1 Cygni are provided in the following table:

21h 44m 08s
+28° 44’ 34”
80.58°
-18.34°
Cygnus
Image of μ1 Cygni (mu1 Cygni) star
DSS2 image of μ1 Cygni. The red arrow shows the motion of μ1 Cygni during the next 1000 years (4.87 arcmin in Right Ascension and -4.02 arcmin in declination);

Key facts about μ1 Cygni

4.73
Main-sequence

and has a luminosity class of V corresponding to a main-sequence star.

2.98
F6V
6481K

The red dot in the diagram below shows where μ1 Cygni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of μ1 Cygni. Attribution: Richard Powell / CC BY-SA

μ1 Cygni star system properties

μ1 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 μ1 Cygni double sysyem:

4.73
6.03
1.3
2 arcsec

Distance of μ1 Cygni from the Sun and relative movement

μ1 Cygni is distant 73.03 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

22.40 pc
73.03 ly
18 km/s
0.292 arcsec/year
-0.241 arcsec/year

Alternative designations of μ1 Cygni

μ1 Cygni
(mu1 Cygni)
SAO89940
SAO89940
Gl 836.6A

Visibility of μ1 Cygni from your location

Today's μ1 Cygni (mu1 Cygni) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 61.3°
Max altitude: 67.3°
Azimuth: 298.7°