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🌎  Greenwich, United Kingdom [change]

69 Cygni

69 Cygni is a multiple hypergiant star in the constellation of Cygnus.

69 Cygni visual magnitude is 5.94. Because of its reltive faintness, 69 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 69 Cygni:

5.94
Hypergiant
69 Cygni is above the horizon from Greenwich, United Kingdom [change]. Altitude: 28°.

Celestial coordinates and finder chart of 69 Cygni

69 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 69 Cygni are provided in the following table:

21h 25m 46s
+36° 40’ 02”
83.39°
-9.96°
Cygnus

The simplified sky map below shows the position of 69 Cygni in the sky:

Finder chart 69 Cygni star
Simplified finder chart for 69 Cygni.

Visibility of 69 Cygni from your location

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

Today's 69 Cygni rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 53.3°
Max altitude: 75.2°
Azimuth: 306.7°
69 Cygni is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 69 Cygni

The image below is a photograph of 69 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 69 Cygni is 0.006 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of 69 Cygni star
DSS2 image of 69 Cygni. The red arrow shows the motion of 69 Cygni during the next 100000 years (10.00 arcmin in Right Ascension and -8.33 arcmin in declination);

Distance of 69 Cygni from the Sun and relative movement

69 Cygni is distant 2,762.71 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

847.46 pc
2,762.71 ly
3 km/s
0.006 arcsec/year
-0.005 arcsec/year

Spectral properties of 69 Cygni

69 Cygni belongs to spectral class B0 and has a luminosity class of I corresponding to a hypergiant star.

-3.70
B0I
11247K

The red dot in the diagram below shows where 69 Cygni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 69 Cygni. Attribution: Richard Powell / CC BY-SA

69 Cygni star system properties

69 Cygni is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 69 Cygni double sysyem:

5.94
11.24
5.3
53.4 arcsec

Alternative designations of 69 Cygni

SAO71329
SAO71329