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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
north SunriseRise: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
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All Constellations » Cygnus » 

19 Cygni

Altitude: 0.2°   Azimuth: 358.5°   Direction: North

19 Cygni is a variable and multiple giant star in the constellation of Cygnus.

19 Cygni visual magnitude is 5.12. Because of its reltive faintness, 19 Cygni should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 19 Cygni:


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

Altitude: 0.2°
Azimuth: 358.5°
Direction: North

Celestial coordinates and finder chart of 19 Cygni

19 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 19 Cygni are provided in the following table:

19h 50m 34s
+38° 43’ 20”

The simplified sky map below shows the position of 19 Cygni in the sky:

Finder chart 19 Cygni star
Simplified finder chart for 19 Cygni.

Visibility of 19 Cygni from your location

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

19 Cygni is circumpolar and transits at 15:09 UTC (altitude: 77.2°)

Digitized Sky Survey image of 19 Cygni

The image below is a photograph of 19 Cygni from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 19 Cygni is 0.011 arcsec per year in Right Ascension and 0.107 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 19 Cygni star
DSS2 image of 19 Cygni. The red arrow shows the motion of 19 Cygni during the next 1000 years (0.18 arcmin in Right Ascension and 1.78 arcmin in declination);

Distance of 19 Cygni from the Sun and relative movement

19 Cygni is distant 641.73 light years from the Sun and it is moving towards the Sun at the speed of 39 kilometers per second.

196.85 pc
641.73 ly
-39 km/s
0.011 arcsec/year
0.107 arcsec/year

Spectral properties of 19 Cygni

19 Cygni belongs to spectral class M2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 19 Cygni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 19 Cygni. Attribution: Richard Powell / CC BY-SA

19 Cygni star system properties

19 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 19 Cygni double sysyem:

55.5 arcsec

Alternative designations of 19 Cygni