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public LocationGreenwich, UK
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Cassiopeia » 


Above the horizon.  Circumpolar today
Altitude: 35.5°   Azimuth: 39.9°   Direction: North-East

HR9010 is a bright giant star of spectral class K3 in the constellation of Cassiopeia.

HR9010 visual magnitude is 5.51. Because of its faintness, HR9010 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 HR9010

Finder chart HR9010 star
Simplified finder chart for HR9010.

HR9010 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 HR9010 are provided in the following table:

23h 47m 01s
+57° 27’ 05”
Image of HR9010 star
DSS2 image of HR9010. The red arrow shows the motion of HR9010 during the next 100000 years (3.33 arcmin in Right Ascension and -5.00 arcmin in declination);

Key facts about HR9010

Bright giant

and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where HR9010 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR9010. Attribution: Richard Powell / CC BY-SA

Distance of HR9010 from the Sun and relative movement

HR9010 is distant 1,671.79 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

512.82 pc
1,671.79 ly
-6 km/s
0.002 arcsec/year
-0.003 arcsec/year

Alternative designations of HR9010


Visibility of HR9010 from your location

HR9010 is circumpolar and transits at 05:35 UTC (altitude: 84.0°)