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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: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
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All Constellations » Carina » 


Altitude: -44.0°   Azimuth: 135.9°   Direction: South-East

HR4228 is a hypergiant star in the constellation of Carina.

HR4228 visual magnitude is 6. Because of its reltive faintness, HR4228 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR4228 is -0.001 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR4228 star
DSS2 image of HR4228. The red arrow shows the motion of HR4228 during the next 100000 years (-1.67 arcmin in Right Ascension and 10.00 arcmin in declination);

Key facts about HR4228


HR4228 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -44.0°
Azimuth: 135.9°
Direction: South-East

Celestial coordinates and finder chart of HR4228

HR4228 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4228 are provided in the following table:

10h 48m 05s
-59° 55’ 09”

The simplified sky map below shows the position of HR4228 in the sky:

Finder chart HR4228 star
Simplified finder chart for HR4228.

Visibility of HR4228 from your location

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

HR4228 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR4228 from the Sun and relative movement

HR4228 is distant 32,600,000.00 light years from the Sun and it is moving towards the Sun at the speed of 24 kilometers per second.

10,000,000.00 pc
32,600,000.00 ly
-24 km/s
-0.001 arcsec/year
0.006 arcsec/year

Spectral properties of HR4228

HR4228 belongs to spectral class A0 and has a luminosity class of I corresponding to a hypergiant star.


The red dot in the diagram below shows where HR4228 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4228. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4228