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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: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
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All Constellations » Cassiopeia » 


Altitude: 72.9°   Azimuth: 285.6°   Direction: West-North-West

HR124 is a giant star in the constellation of Cassiopeia.

HR124 visual magnitude is 5.6. Because of its reltive faintness, HR124 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 HR124:


HR124 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 72.9°
Azimuth: 285.6°
Direction: West-North-West

Celestial coordinates and finder chart of HR124

HR124 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 HR124 are provided in the following table:

00h 31m 41s
+52° 50’ 21”

The simplified sky map below shows the position of HR124 in the sky:

Finder chart HR124 star
Simplified finder chart for HR124.

Visibility of HR124 from your location

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

HR124 is circumpolar and transits at 19:34 UTC (altitude: 88.6°)

Digitized Sky Survey image of HR124

The image below is a photograph of HR124 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 HR124 is -0.053 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR124 star
DSS2 image of HR124. The red arrow shows the motion of HR124 during the next 10000 years (-8.83 arcmin in Right Ascension and -3.17 arcmin in declination);

Distance of HR124 from the Sun and relative movement

HR124 is distant 393.24 light years from the Sun and it is moving towards the Sun at the speed of 52 kilometers per second.

120.63 pc
393.24 ly
-52 km/s
-0.053 arcsec/year
-0.019 arcsec/year

Spectral properties of HR124

HR124 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR124 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR124. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR124