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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: 6:52  
clear_day Transit: 12:11  
SunsetSet: 17:31
sunny DaytimeWhat's Visible Now?
All Constellations » Centaurus » 


Altitude: -30.2°   Azimuth: 248.7°   Direction: West-South-West

HR4675 is a double hypergiant star in the constellation of Centaurus.

HR4675 visual magnitude is 6.15. Because of its reltive faintness, HR4675 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 HR4675 is -0.037 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4675 star
DSS2 image of HR4675. The red arrow shows the motion of HR4675 during the next 10000 years (-6.17 arcmin in Right Ascension and -1.00 arcmin in declination);

Key facts about HR4675


HR4675 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -30.2°
Azimuth: 248.7°
Direction: West-South-West

Celestial coordinates and finder chart of HR4675

HR4675 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 HR4675 are provided in the following table:

12h 17m 47s
-36° 05’ 38”

The simplified sky map below shows the position of HR4675 in the sky:

Finder chart HR4675 star
Simplified finder chart for HR4675.

Visibility of HR4675 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 HR4675 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: 126.1°
Max altitude: 2.4°
Azimuth: 233.9°

Distance of HR4675 from the Sun and relative movement

HR4675 is distant 488.02 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

149.70 pc
488.02 ly
-14 km/s
-0.037 arcsec/year
-0.006 arcsec/year

Spectral properties of HR4675

HR4675 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 HR4675 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4675. Attribution: Richard Powell / CC BY-SA

HR4675 star system properties

HR4675 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 HR4675 double sysyem:

0.5 arcsec

Alternative designations of HR4675