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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
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All Constellations » Cygnus » 

63 Cygni

Altitude: 65.5°   Azimuth: 276.0°   Direction: West

63 Cygni is a variable and double supergiant star in the constellation of Cygnus.

63 Cygni visual magnitude is 4.55. Because of its moderate brightness, 63 Cygni should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The proper motion of 63 Cygni is 0.008 arcsec per year in Right Ascension and 0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of 63 Cygni star
DSS2 image of 63 Cygni. The red arrow shows the motion of 63 Cygni during the next 100000 years (13.33 arcmin in Right Ascension and 1.67 arcmin in declination);

Key facts about 63 Cygni


63 Cygni is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 65.5°
Azimuth: 276.0°
Direction: West

Celestial coordinates and finder chart of 63 Cygni

63 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 63 Cygni are provided in the following table:

21h 06m 36s
+47° 38’ 53”

The simplified sky map below shows the position of 63 Cygni in the sky:

Finder chart 63 Cygni star
Simplified finder chart for 63 Cygni.

Visibility of 63 Cygni from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

63 Cygni is circumpolar and transits at 10:59 UTC (altitude: 86.2°)

Distance of 63 Cygni from the Sun and relative movement

63 Cygni is distant 981.93 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

301.20 pc
981.93 ly
-26 km/s
0.008 arcsec/year
0.001 arcsec/year

Spectral properties of 63 Cygni

63 Cygni belongs to spectral class K4 and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where 63 Cygni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 63 Cygni. Attribution: Richard Powell / CC BY-SA

63 Cygni star system properties

63 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 63 Cygni double sysyem:

15.7 arcsec

Alternative designations of 63 Cygni