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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
north SunriseRise: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sleep NighttimeWhat's Visible Now?
All Constellations » Sculptor » 


Altitude: -22.6°   Azimuth: 239.2°   Direction: West-South-West

HR471 is a hypergiant star in the constellation of Sculptor.

HR471 visual magnitude is 5.94. Because of its reltive faintness, HR471 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 HR471:


HR471 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -22.6°
Azimuth: 239.2°
Direction: West-South-West

Celestial coordinates and finder chart of HR471

HR471 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 HR471 are provided in the following table:

01h 38m 27s
-36° 31’ 41”

The simplified sky map below shows the position of HR471 in the sky:

Finder chart HR471 star
Simplified finder chart for HR471.

Visibility of HR471 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 HR471 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: 126.5°
Max altitude: 2.0°
Azimuth: 233.5°

Digitized Sky Survey image of HR471

The image below is a photograph of HR471 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 HR471 is -0.018 arcsec per year in Right Ascension and -0.128 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR471 star
DSS2 image of HR471. The red arrow shows the motion of HR471 during the next 1000 years (-0.30 arcmin in Right Ascension and -2.13 arcmin in declination);

Distance of HR471 from the Sun and relative movement

HR471 is distant 322.77 light years from the Sun and it is moving far from the Sun at the speed of 30 kilometers per second.

99.01 pc
322.77 ly
30 km/s
-0.018 arcsec/year
-0.128 arcsec/year

Spectral properties of HR471

HR471 belongs to spectral class K0 and has a luminosity class of IV corresponding to a hypergiant star.


The red dot in the diagram below shows where HR471 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR471. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR471