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🌎  Greenwich, United Kingdom [change]

75 Cygni

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

75 Cygni visual magnitude is 5.11. Because of its reltive faintness, 75 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 75 Cygni:

5.11
Giant
75 Cygni is above the horizon from Greenwich, United Kingdom [change]. Altitude: 35°.

Celestial coordinates and finder chart of 75 Cygni

75 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 75 Cygni are provided in the following table:

21h 40m 11s
+43° 16’ 26”
90°
-7.04°
Cygnus

The simplified sky map below shows the position of 75 Cygni in the sky:

Finder chart 75 Cygni star
Simplified finder chart for 75 Cygni.

Visibility of 75 Cygni from your location

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

75 Cygni is circumpolar and transits at 13:09 UTC (altitude: 81.8°)

Digitized Sky Survey image of 75 Cygni

The image below is a photograph of 75 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 75 Cygni is 0.063 arcsec per year in Right Ascension and 0.016 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 75 Cygni star
DSS2 image of 75 Cygni. The red arrow shows the motion of 75 Cygni during the next 10000 years (10.50 arcmin in Right Ascension and 2.67 arcmin in declination);

Distance of 75 Cygni from the Sun and relative movement

75 Cygni is distant 404.47 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

124.07 pc
404.47 ly
-28 km/s
0.063 arcsec/year
0.016 arcsec/year

Spectral properties of 75 Cygni

75 Cygni belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.

-0.36
M1III
3649K

The red dot in the diagram below shows where 75 Cygni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 75 Cygni. Attribution: Richard Powell / CC BY-SA

75 Cygni star system properties

75 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 75 Cygni double sysyem:

5.11
9.31
4.2
57.9 arcsec

Alternative designations of 75 Cygni

SAO51167
SAO51167