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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?
All Constellations » Cygnus » 

75 Cygni

Above the horizon.  Circumpolar today
Altitude: 45.3°   Azimuth: 287.1°   Direction: West-North-West

75 Cygni is a variable and multiple giant star of spectral class M1 in the constellation of Cygnus.

75 Cygni visual magnitude is 5.11. Because of its faintness, 75 Cygni is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of 75 Cygni

Finder chart 75 Cygni star
Simplified finder chart for 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
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);

Key facts about 75 Cygni

5.11
Giant

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

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

Alternative designations of 75 Cygni

SAO51167
SAO51167

Visibility of 75 Cygni from your location

75 Cygni is circumpolar and transits at 03:25 UTC (altitude: 81.8°)