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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
sleep NighttimeWhat's Visible Now?
All Constellations » Capricornus » 

ω Capricorni (omega Capricorni)

Altitude: -63.8°   Azimuth: 24.9°   Direction: North-North-East

ω Capricorni is a variable hypergiant star in the constellation of Capricornus.

ω Capricorni visual magnitude is 4.11. Because of its moderate brightness, ω Capricorni 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 ω Capricorni is -0.006 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of ω Capricorni (omega Capricorni) star
DSS2 image of ω Capricorni. The red arrow shows the motion of ω Capricorni during the next 100000 years (-10.00 arcmin in Right Ascension and -1.67 arcmin in declination);

Key facts about ω Capricorni


ω Capricorni (omega Capricorni) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -63.8°
Azimuth: 24.9°
Direction: North-North-East

Celestial coordinates and finder chart of ω Capricorni

ω Capricorni 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 ω Capricorni are provided in the following table:

20h 51m 49s
-26° 55’ 09”

The simplified sky map below shows the position of ω Capricorni in the sky:

Finder chart ω Capricorni (omega Capricorni) star
Simplified finder chart for ω Capricorni (omega Capricorni).

Visibility of ω Capricorni 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 ω Capricorni (omega Capricorni) 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: 116.9°
Max altitude: 11.6°
Azimuth: 243.1°

Distance of ω Capricorni from the Sun and relative movement

ω Capricorni is distant 628.13 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

192.68 pc
628.13 ly
9 km/s
-0.006 arcsec/year
-0.001 arcsec/year

Spectral properties of ω Capricorni

ω Capricorni belongs to spectral class M0 and has a luminosity class of III corresponding to a hypergiant star.


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

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

Alternative designations of ω Capricorni

ω Capricorni
(omega Capricorni)
18 Capricorni