Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:50  
clear_day Transit: 12:56  
SunsetSet: 21:02 south
sunny DaytimeWhat's Visible Now
All Constellations » Cetus » 


HR228 is a double giant star in the constellation of Cetus.

HR228 visual magnitude is 5.9. Because of its reltive faintness, HR228 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 HR228:

HR228 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR228

HR228 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 HR228 are provided in the following table:

00h 49m 13s
-24° 08’ 11”

The simplified sky map below shows the position of HR228 in the sky:

Finder chart HR228 star
Simplified finder chart for HR228.

Visibility of HR228 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 HR228 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: 114.1°
Max altitude: 14.4°
Azimuth: 245.9°
HR228 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR228

The image below is a photograph of HR228 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 HR228 is 0.078 arcsec per year in Right Ascension and -0.051 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR228 star
DSS2 image of HR228. The red arrow shows the motion of HR228 during the next 10000 years (13.00 arcmin in Right Ascension and -8.50 arcmin in declination);

Distance of HR228 from the Sun and relative movement

HR228 is distant 184.18 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

56.50 pc
184.18 ly
23 km/s
0.078 arcsec/year
-0.051 arcsec/year

Spectral properties of HR228

HR228 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 HR228 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR228. Attribution: Richard Powell / CC BY-SA

HR228 star system properties

HR228 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR228 double sysyem:

8.8 arcsec

Alternative designations of HR228