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public LocationGreenwich, UK
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?


Above the horizon.  Circumpolar today
Altitude: 21.9°   Azimuth: 320.3°   Direction: North-West

HR8020 is a supergiant star of spectral class B8 in the constellation of Cygnus.

HR8020 visual magnitude is 5.67. Because of its faintness, HR8020 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 HR8020

Finder chart HR8020 star
Simplified finder chart for HR8020.

HR8020 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 HR8020 are provided in the following table:

20h 55m 49s
+47° 25’ 04”
Image of HR8020 star
DSS2 image of HR8020. The red arrow shows the motion of HR8020 during the next 100000 years (-5.00 arcmin in Right Ascension and -3.33 arcmin in declination);

Key facts about HR8020


and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR8020 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8020. Attribution: Richard Powell / CC BY-SA

Distance of HR8020 from the Sun and relative movement

HR8020 is distant 9,314.29 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

2,857.14 pc
9,314.29 ly
-15 km/s
-0.003 arcsec/year
-0.002 arcsec/year

Alternative designations of HR8020


Visibility of HR8020 from your location

HR8020 is circumpolar and transits at 02:52 UTC (altitude: 85.9°)