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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:58 
Transit: 12:56 
Sunset: 20:55
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All Constellations » Cygnus » 

15 Cygni

Above the horizon.  Rise: 17:44 | Tran: 4:41 | Set: 15:33
Alt: 71.06°   Az: 130.94°   Direction: South-East

15 Cygni is a giant star of spectral class G7 in the constellation of Cygnus.

15 Cygni visual magnitude is 4.89. Because of its moderate brightness, 15 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 15 Cygni star
DSS2 image of 15 Cygni. The red arrow shows the motion of 15 Cygni during the next 10000 years (12.50 arcmin in Right Ascension and 5.83 arcmin in declination);

Celestial Coordinates

Apparent

19h 45m 11s
+37° 25’ 00”
22h 48m 04s
18h 33m 16s

J2000

19h 44m 16s
+37° 21’ 15”

Galactic Coordinates

71.76°
6.6°

Finder Chart

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Finder chart for 15 Cygni.

Magnitude, Color, Spectral Class

4.89
Giant

0.23
G7III
4866K

The red dot in the diagram below shows where 15 Cygni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 15 Cygni. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

15 Cygni is distant 278.63 light years from the Sun and it is moving towards the Sun at the speed of 24 kilometers per second.

85.47
278.63
-24 km/s
0.075 arcsec/y
0.035"/y

Alternative Designations

SAO68778
SAO68778

Visibility from Your Location

Today's 15 Cygni rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 52.6°
Max altitude: 75.9°
Azimuth: 307.4°