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public LocationGreenwich, United Kingdom
Sunrise: 4:53 
Transit: 12:55 
Sunset: 20:59
sunny   (Daytime)   What's Visible Now?


Altitude: -24.4°   Azimuth: 173.4°   Direction: South

HR4511 is a variable hypergiant star in the constellation of Centaurus.

HR4511 visual magnitude is 5.03. Because of its reltive faintness, HR4511 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 HR4511 is -0.008 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR4511 star
DSS2 image of HR4511. The red arrow shows the motion of HR4511 during the next 100000 years (-13.33 arcmin in Right Ascension and 5.00 arcmin in declination);

Key facts about HR4511


HR4511 is below the horizon from Greenwich, United Kingdom.

Altitude: -24.4°
Azimuth: 173.4°
Direction: South

Celestial coordinates and finder chart of HR4511

HR4511 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 HR4511 are provided in the following table:

11h 43m 31s
-62° 29’ 21”

The simplified sky map below shows the position of HR4511 in the sky:

Finder chart HR4511 star
Simplified finder chart for HR4511.

Visibility of HR4511 from your location

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

HR4511 is currently not visible from Greenwich, United Kingdom

Distance of HR4511 from the Sun and relative movement

HR4511 is distant 2,566.93 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

787.40 pc
2,566.93 ly
10 km/s
-0.008 arcsec/year
0.003 arcsec/year

Spectral properties of HR4511

HR4511 belongs to spectral class G0 and has a luminosity class of I corresponding to a hypergiant star.


The red dot in the diagram below shows where HR4511 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4511. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4511