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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 » 

47 Capricorni

Altitude: 28.8°   Azimuth: 190.0°   Direction: South

47 Capricorni is a variable giant star in the constellation of Capricornus.

47 Capricorni visual magnitude is 6. Because of its reltive faintness, 47 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 47 Capricorni is 0.021 arcsec per year in Right Ascension and 0.009 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 47 Capricorni star
DSS2 image of 47 Capricorni. The red arrow shows the motion of 47 Capricorni during the next 10000 years (3.50 arcmin in Right Ascension and 1.50 arcmin in declination);

Key facts about 47 Capricorni


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

Altitude: 28.8°
Azimuth: 190.0°
Direction: South

Celestial coordinates and finder chart of 47 Capricorni

47 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 47 Capricorni are provided in the following table:

21h 46m 16s
-09° 16’ 32”

The simplified sky map below shows the position of 47 Capricorni in the sky:

Finder chart 47 Capricorni star
Simplified finder chart for 47 Capricorni.

Visibility of 47 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 47 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: 99.3°
Max altitude: 29.2°
Azimuth: 260.7°

Distance of 47 Capricorni from the Sun and relative movement

47 Capricorni is distant 1,234.85 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.

378.79 pc
1,234.85 ly
21 km/s
0.021 arcsec/year
0.009 arcsec/year

Spectral properties of 47 Capricorni

47 Capricorni belongs to spectral class M3 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 47 Capricorni is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 47 Capricorni. Attribution: Richard Powell / CC BY-SA

Alternative designations of 47 Capricorni

47 Capricorni