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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: 7:45  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
sleep NighttimeWhat's Visible Now?
All Constellations » Sextans » 


Altitude: -30.5°   Azimuth: 47.5°   Direction: North-East

HR4224 is a giant star in the constellation of Sextans.

HR4224 visual magnitude is 5.93. Because of its reltive faintness, HR4224 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 HR4224:


HR4224 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -30.5°
Azimuth: 47.5°
Direction: North-East

Celestial coordinates and finder chart of HR4224

HR4224 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4224 are provided in the following table:

10h 48m 40s
-01° 57’ 32”

The simplified sky map below shows the position of HR4224 in the sky:

Finder chart HR4224 star
Simplified finder chart for HR4224.

Visibility of HR4224 from your location

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

Today's HR4224 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 92.0°
Max altitude: 36.6°
Azimuth: 268.0°

Digitized Sky Survey image of HR4224

The image below is a photograph of HR4224 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 HR4224 is -0.012 arcsec per year in Right Ascension and 0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4224 star
DSS2 image of HR4224. The red arrow shows the motion of HR4224 during the next 10000 years (-2.00 arcmin in Right Ascension and 1.33 arcmin in declination);

Distance of HR4224 from the Sun and relative movement

HR4224 is distant 530.94 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

162.87 pc
530.94 ly
3 km/s
-0.012 arcsec/year
0.008 arcsec/year

Spectral properties of HR4224

HR4224 belongs to spectral class M2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR4224 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4224. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4224