We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
Help keep this site free and ads-free: donate now!
public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:05 
Transit: 12:55 
Sunset: 20:45
sunny   (Daytime)   What's Visible Now?

23 Cygni

Altitude: 53.5°   Azimuth: 305.4°   Direction: North-West

23 Cygni is a main-sequence star in the constellation of Cygnus.

23 Cygni visual magnitude is 5.14. Because of its reltive faintness, 23 Cygni should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of 23 Cygni is 0.009 arcsec per year in Right Ascension and 0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 23 Cygni star
DSS2 image of 23 Cygni. The red arrow shows the motion of 23 Cygni during the next 10000 years (1.50 arcmin in Right Ascension and 2.17 arcmin in declination);

Key facts about 23 Cygni

5.14
Main-sequence

23 Cygni is above the horizon from Greenwich, United Kingdom.

Altitude: 53.5°
Azimuth: 305.4°
Direction: North-West

Celestial coordinates and finder chart of 23 Cygni

23 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 23 Cygni are provided in the following table:

19h 53m 17s
+57° 31’ 24”
90.55°
14.91°
Cygnus

The simplified sky map below shows the position of 23 Cygni in the sky:

Finder chart 23 Cygni star
Simplified finder chart for 23 Cygni.

Visibility of 23 Cygni from your location

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

23 Cygni is circumpolar and transits at 04:11 UTC (altitude: 84.0°)

Distance of 23 Cygni from the Sun and relative movement

23 Cygni is distant 637.96 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

195.69 pc
637.96 ly
-25 km/s
0.009 arcsec/year
0.013 arcsec/year

Spectral properties of 23 Cygni

23 Cygni belongs to spectral class B5 and has a luminosity class of V corresponding to a main-sequence star.

-1.32
B5V
12103K

The red dot in the diagram below shows where 23 Cygni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 23 Cygni. Attribution: Richard Powell / CC BY-SA

Alternative designations of 23 Cygni

SAO32085
SAO32085