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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: 7:43  
clear_day Transit: 11:47  
SunsetSet: 15:52 south
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All Constellations » Cygnus » 

49 Cygni

Altitude: 34.2°   Azimuth: 79.4°   Direction: East

49 Cygni is a multiple bright giant star in the constellation of Cygnus.

49 Cygni visual magnitude is 5.51. Because of its reltive faintness, 49 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 49 Cygni:

Bright giant

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

Altitude: 34.2°
Azimuth: 79.4°
Direction: East

Celestial coordinates and finder chart of 49 Cygni

49 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 49 Cygni are provided in the following table:

20h 41m 02s
+32° 18’ 25”

The simplified sky map below shows the position of 49 Cygni in the sky:

Finder chart 49 Cygni star
Simplified finder chart for 49 Cygni.

Visibility of 49 Cygni from your location

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

Today's 49 Cygni rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 57.7°
Max altitude: 70.8°
Azimuth: 302.3°

Digitized Sky Survey image of 49 Cygni

The image below is a photograph of 49 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 49 Cygni is 0.007 arcsec per year in Right Ascension and -0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 49 Cygni star
DSS2 image of 49 Cygni. The red arrow shows the motion of 49 Cygni during the next 10000 years (1.17 arcmin in Right Ascension and -2.33 arcmin in declination);

Distance of 49 Cygni from the Sun and relative movement

49 Cygni is distant 804.94 light years from the Sun and it is moving towards the Sun at the speed of 29 kilometers per second.

246.91 pc
804.94 ly
-29 km/s
0.007 arcsec/year
-0.014 arcsec/year

Spectral properties of 49 Cygni

49 Cygni belongs to spectral class G8 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where 49 Cygni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 49 Cygni. Attribution: Richard Powell / CC BY-SA

49 Cygni star system properties

49 Cygni is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the 49 Cygni double sysyem:

2.5 arcsec

Alternative designations of 49 Cygni