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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:58 
Sunset: 21:15
sunny   (Daytime)   What's Visible Now?


Above the horizon.  Circumpolar today
Altitude: 14.9°   Azimuth: 3.8°   Direction: North

HR8078 is a hypergiant star of spectral class K0 in the constellation of Cygnus.

HR8078 visual magnitude is 5.9. Because of its faintness, HR8078 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 HR8078

Finder chart HR8078 star
Simplified finder chart for HR8078.

HR8078 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 HR8078 are provided in the following table:

21h 03m 47s
+53° 17’ 09”
Image of HR8078 star
DSS2 image of HR8078. The red arrow shows the motion of HR8078 during the next 10000 years (6.67 arcmin in Right Ascension and 6.17 arcmin in declination);

Key facts about HR8078


and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR8078 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8078. Attribution: Richard Powell / CC BY-SA

Distance of HR8078 from the Sun and relative movement

HR8078 is distant 404.97 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

124.22 pc
404.97 ly
-16 km/s
0.04 arcsec/year
0.037 arcsec/year

Alternative designations of HR8078


Visibility of HR8078 from your location

HR8078 is circumpolar and transits at 03:32 UTC (altitude: 88.2°)