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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
sunny DaytimeWhat's Visible Now?
All Constellations » Cassiopeia » 


Altitude: 83.1°   Azimuth: 274.0°   Direction: West

HR65 is a variable giant star in the constellation of Cassiopeia.

HR65 visual magnitude is 6.14. Because of its reltive faintness, HR65 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR65 is -0.005 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR65 star
DSS2 image of HR65. The red arrow shows the motion of HR65 during the next 100000 years (-8.33 arcmin in Right Ascension and -6.67 arcmin in declination);

Key facts about HR65


HR65 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 83.1°
Azimuth: 274.0°
Direction: West

Celestial coordinates and finder chart of HR65

HR65 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 HR65 are provided in the following table:

00h 17m 43s
+51° 25’ 59”

The simplified sky map below shows the position of HR65 in the sky:

Finder chart HR65 star
Simplified finder chart for HR65.

Visibility of HR65 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR65 is circumpolar and transits at 14:09 UTC (altitude: 90.0°)

Distance of HR65 from the Sun and relative movement

HR65 is distant 5,719.30 light years from the Sun and it is moving towards the Sun at the speed of 35 kilometers per second.

1,754.39 pc
5,719.30 ly
-35 km/s
-0.005 arcsec/year
-0.004 arcsec/year

Spectral properties of HR65

HR65 belongs to spectral class O9 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR65 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR65. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR65