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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
north SunriseRise: 7:51  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
sunny DaytimeWhat's Visible Now?
All Constellations » Cassiopeia » 


Altitude: 27.4°   Azimuth: 347.3°   Direction: North-North-West

HR922 is a main-sequence star in the constellation of Cassiopeia.

HR922 visual magnitude is 5.89. Because of its reltive faintness, HR922 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR922:


HR922 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 27.4°
Azimuth: 347.3°
Direction: North-North-West

Celestial coordinates and finder chart of HR922

HR922 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR922 are provided in the following table:

03h 07m 18s
+64° 03’ 28”

The simplified sky map below shows the position of HR922 in the sky:

Finder chart HR922 star
Simplified finder chart for HR922.

Visibility of HR922 from your location

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

HR922 is circumpolar and transits at 21:53 UTC (altitude: 77.4°)

Digitized Sky Survey image of HR922

The image below is a photograph of HR922 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR922 is -0.015 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR922 star
DSS2 image of HR922. The red arrow shows the motion of HR922 during the next 10000 years (-2.50 arcmin in Right Ascension and 1.00 arcmin in declination);

Distance of HR922 from the Sun and relative movement

HR922 is distant 557.26 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

170.94 pc
557.26 ly
-2 km/s
-0.015 arcsec/year
0.006 arcsec/year

Spectral properties of HR922

HR922 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR922 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR922. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR922