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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: 6:08  
clear_day Transit: 12:59  
SunsetSet: 19:51
sunny DaytimeWhat's Visible Now?
All Constellations » Capricornus » 

20 Capricorni

Altitude: 10.1°   Azimuth: 221.0°   Direction: South-West

20 Capricorni is a variable star in the constellation of Capricornus.

20 Capricorni visual magnitude is 6.25. Because of its reltive faintness, 20 Capricorni 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 20 Capricorni is 0.011 arcsec per year in Right Ascension and -0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 20 Capricorni star
DSS2 image of 20 Capricorni. The red arrow shows the motion of 20 Capricorni during the next 10000 years (1.83 arcmin in Right Ascension and -2.17 arcmin in declination);

Key facts about 20 Capricorni


20 Capricorni is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 10.1°
Azimuth: 221.0°
Direction: South-West

Celestial coordinates and finder chart of 20 Capricorni

20 Capricorni is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 20 Capricorni are provided in the following table:

20h 59m 36s
-19° 02’ 07”

The simplified sky map below shows the position of 20 Capricorni in the sky:

Finder chart 20 Capricorni star
Simplified finder chart for 20 Capricorni.

Visibility of 20 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 20 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: 109.0°
Max altitude: 19.5°
Azimuth: 251.0°

Distance of 20 Capricorni from the Sun and relative movement

20 Capricorni is distant 430.08 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

131.93 pc
430.08 ly
-10 km/s
0.011 arcsec/year
-0.013 arcsec/year

Spectral properties of 20 Capricorni

20 Capricorni belongs to spectral class B9 20 Capricorni is also a Si chemically peculiar star.


The red dot in the diagram below shows where 20 Capricorni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 20 Capricorni. Attribution: Richard Powell / CC BY-SA

Alternative designations of 20 Capricorni

20 Capricorni