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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:10 
Transit: 13:06 
Sunset: 21:02
wb_twilight   (Civil Twilight)   What's Visible Now?
All Constellations » Cygnus » 

θ Cygni (theta Cygni)

Above the horizon.  Circumpolar today
Alt: 59.88°   Az: 72.80°   Direction: East-North-East

θ Cygni is a multiple main-sequence star of spectral class F4 in the constellation of Cygnus.

θ Cygni visual magnitude is 4.48. Because of its moderate brightness, θ 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.

Image of θ Cygni (theta Cygni) star
DSS2 image of θ Cygni. The red arrow shows the motion of θ Cygni during the next 1000 years (-0.28 arcmin in Right Ascension and 4.28 arcmin in declination);

Celestial Coordinates

Apparent

19h 37m 06s
+50° 16’ 37”
20h 45m 34s
16h 22m 40s

J2000

19h 36m 26s
+50° 13’ 15”

Galactic Coordinates

82.66°
13.85°

Finder Chart

Finder chart θ Cygni (theta Cygni) star
Simplified finder chart for θ Cygni (theta Cygni).

Magnitude, Color, Spectral Class

4.48
Main-sequence

3.13
F4V
6989K

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

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

Star System Properties

θ Cygni 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 θ Cygni double sysyem:

4.48
11.38
6.9
48.4 arcsec

Distance, Radial Speed, Proper Motion

θ Cygni is distant 60.62 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

18.59
60.62
-28 km/s
-0.017 arcsec/y
0.257"/y

Alternative Designations

θ Cygni
(theta Cygni)
SAO31815
SAO31815
Gl 765 A

Visibility from Your Location

θ Cygni (theta Cygni) is circumpolar and transits at 23:36 UTC (altitude: 88.8°)