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


Above the horizon.  Circumpolar today
Alt: 13.81°   Az: 336.90°   Direction: North-North-West

HR7591 is a variable giant star of spectral class B2 in the constellation of Cygnus.

HR7591 visual magnitude is 5.91. Because of its faintness, HR7591 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.

HR7591 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere.

Image of HR7591 star
DSS2 image of HR7591. The red arrow shows the motion of HR7591 during the next 100000 years (-8.33 arcmin in Right Ascension and -11.67 arcmin in declination);

Celestial Coordinates


19h 52m 50s
+47° 59’ 46”
09h 41m 11s
05h 34m 01s


19h 52m 07s
+47° 55’ 54”

Galactic Coordinates


Finder Chart

Finder chart HR7591 star
Simplified finder chart for HR7591.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where HR7591 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7591. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7591 is distant 2,469.70 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

757.58 pc
2,469.70 ly
-18 km/s
-0.005 arcsec/y
-0.007 "/y

Alternative Designations


Visibility from Your Location

HR7591 is circumpolar and transits at 00:15 UTC (altitude: 86.5°)