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public LocationGreenwich, UK
Sunrise: 4:57 
Transit: 13:04 
Sunset: 21:10
wb_twilight   (Nautical Twilight)   What's Visible Now?
All Constellations » Cygnus » 


Above the horizon.  Rise: 16:14 | Tran: 2:51 | Set: 13:24
Altitude: 38.0°   Azimuth: 76.4°   Direction: East-North-East

HR8120 is a hypergiant star of spectral class F0 in the constellation of Cygnus.

HR8120 visual magnitude is 6.05. Because of its faintness, HR8120 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.

HR8120 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere.

Image of HR8120 star
DSS2 image of HR8120. The red arrow shows the motion of HR8120 during the next 10000 years (-3.00 arcmin in Right Ascension and 1.00 arcmin in declination);

Apparent Coordinates

21h 14m 25s
+36° 44’ 09”

J2000 Coordinates

21h 13m 26s
+36° 38’ 00”

Galactic Coordinates


Finder Chart

Finder chart HR8120 star
Simplified finder chart for HR8120.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where HR8120 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8120. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR8120 is distant 1,781.42 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

546.45 pc
1,781.42 ly
-13 km/s
-0.018 arcsec/y
0.006 "/y

Alternative Designations


Visibility from Your Location

Today's HR8120 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 53.4°
Max altitude: 75.2°
Azimuth: 306.6°