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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:25 
Transit: 12:57 
Sunset: 19:28
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All Constellations » Cygnus » 

79 Cygni

Above the horizon.  Rise: 11:55 | Tran: 23:30 | Set: 11:09
Alt: 10.10°   Az: 322.11°   Direction: North-West

79 Cygni is a multiple hypergiant star of spectral class A0 in the constellation of Cygnus.

79 Cygni visual magnitude is 5.65. Because of its faintness, 79 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 79 Cygni star
DSS2 image of 79 Cygni. The red arrow shows the motion of 79 Cygni during the next 10000 years (6.00 arcmin in Right Ascension and 0.67 arcmin in declination);

Celestial Coordinates

Apparent

21h 44m 27s
+38° 23’ 52”
08h 38m 04s
06h 22m 31s

J2000

21h 43m 25s
+38° 17’ 02”

Galactic Coordinates

87.11°
-11.18°

Finder Chart

Finder chart 79 Cygni star
Simplified finder chart for 79 Cygni.

Magnitude, Color, Spectral Class

5.65
Hypergiant

1.04
A0V
10125K

The red dot in the diagram below shows where 79 Cygni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 79 Cygni. Attribution: Richard Powell / CC BY-SA

Star System Properties

79 Cygni is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 79 Cygni double sysyem:

5.65
6.95
1.3
151.2 arcsec

Distance, Radial Speed, Proper Motion

79 Cygni is distant 272.35 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

83.54
272.35
-23 km/s
0.036 arcsec/y
0.004"/y

Alternative Designations

SAO71643
SAO71643

Visibility from Your Location

Today's 79 Cygni rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 51.6°
Max altitude: 76.9°
Azimuth: 308.4°