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: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Cancer » 


Altitude: -11.9°   Azimuth: 319.6°   Direction: North-West

HR3228 is a multiple hypergiant star in the constellation of Cancer.

HR3228 visual magnitude is 6.47. Because of its reltive faintness, HR3228 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 HR3228:


HR3228 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -11.9°
Azimuth: 319.6°
Direction: North-West

Celestial coordinates and finder chart of HR3228

HR3228 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 HR3228 are provided in the following table:

08h 14m 11s
+17° 40’ 32”

The simplified sky map below shows the position of HR3228 in the sky:

Finder chart HR3228 star
Simplified finder chart for HR3228.

Visibility of HR3228 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 HR3228 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: 72.3°
Max altitude: 56.2°
Azimuth: 287.7°
HR3228 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3228

The image below is a photograph of HR3228 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 HR3228 is -0.005 arcsec per year in Right Ascension and 0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3228 star
DSS2 image of HR3228. The red arrow shows the motion of HR3228 during the next 10000 years (-0.83 arcmin in Right Ascension and 1.83 arcmin in declination);

Distance of HR3228 from the Sun and relative movement

HR3228 is distant 328.96 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

100.91 pc
328.96 ly
-3 km/s
-0.005 arcsec/year
0.011 arcsec/year

Spectral properties of HR3228

HR3228 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR3228 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3228. Attribution: Richard Powell / CC BY-SA

HR3228 star system properties

HR3228 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR3228 double sysyem:

63 arcsec

Alternative designations of HR3228