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public LocationGreenwich, UK
Sunrise: 5:01 
Transit: 13:04 
Sunset: 21:06
sunny   (Daytime)   What's Visible Now?
All Constellations » Draco » 


Above the horizon.  Circumpolar today
Alt: 52.43°   Az: 317.31°   Direction: North-West

HR7805 is a double giant star of spectral class K5 in the constellation of Draco.

HR7805 visual magnitude is 5.69. Because of its faintness, HR7805 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.

HR7805 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere.

Image of HR7805 star
DSS2 image of HR7805. The red arrow shows the motion of HR7805 during the next 10000 years (-0.67 arcmin in Right Ascension and 3.83 arcmin in declination);

Celestial Coordinates


20h 21m 31s
+64° 03’ 33”
04h 43m 41s
01h 05m 13s


20h 21m 11s
+63° 58’ 49”

Galactic Coordinates


Finder Chart

Finder chart HR7805 star
Simplified finder chart for HR7805.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where HR7805 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7805. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7805 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR7805 double sysyem:

4.3 arcsec

Distance, Radial Speed, Proper Motion

HR7805 is distant 732.58 light years from the Sun and it is moving far from the Sun at the speed of 30 kilometers per second.

224.72 pc
732.58 ly
30 km/s
-0.004 arcsec/y
0.023 "/y

Alternative Designations


Visibility from Your Location

HR7805 is circumpolar and transits at 00:44 UTC (altitude: 77.4°)