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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: 6:44  
clear_day Transit: 12:10  
SunsetSet: 17:38
sunny DaytimeWhat's Visible Now?
All Constellations » Sculptor » 

η Sculptoris (eta Sculptoris)

Altitude: 0.2°   Azimuth: 151.5°   Direction: South-South-East

η Sculptoris is a variable giant star in the constellation of Sculptor.

η Sculptoris visual magnitude is 4.81. Because of its moderate brightness, η Sculptoris should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of η Sculptoris is -0.019 arcsec per year in Right Ascension and -0.052 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of η Sculptoris (eta Sculptoris) star
DSS2 image of η Sculptoris. The red arrow shows the motion of η Sculptoris during the next 10000 years (-3.17 arcmin in Right Ascension and -8.67 arcmin in declination);

Key facts about η Sculptoris


η Sculptoris (eta Sculptoris) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 0.2°
Azimuth: 151.5°
Direction: South-South-East

Celestial coordinates and finder chart of η Sculptoris

η Sculptoris 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 η Sculptoris are provided in the following table:

00h 27m 55s
-33° 00’ 25”

The simplified sky map below shows the position of η Sculptoris in the sky:

Finder chart η Sculptoris (eta Sculptoris) star
Simplified finder chart for η Sculptoris (eta Sculptoris).

Visibility of η Sculptoris 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 η Sculptoris (eta Sculptoris) 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: 123.0°
Max altitude: 5.5°
Azimuth: 237.0°

Distance of η Sculptoris from the Sun and relative movement

η Sculptoris is distant 547.90 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

168.07 pc
547.90 ly
11 km/s
-0.019 arcsec/year
-0.052 arcsec/year

Spectral properties of η Sculptoris

η Sculptoris belongs to spectral class M4 and has a luminosity class of III corresponding to a giant star.


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

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

Alternative designations of η Sculptoris

η Sculptoris
(eta Sculptoris)