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public LocationGreenwich, UK
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?

47 Serpentis

Below the horizon.  Rise: 16:20 | Tran: 23:02 | Set: 5:47
Altitude: -21.0°   Azimuth: 42.5°   Direction: North-East

47 Serpentis is a variable giant star of spectral class M3 in the constellation of Serpens.

47 Serpentis visual magnitude is 5.73. Because of its faintness, 47 Serpentis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of 47 Serpentis

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

47 Serpentis 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 Serpentis are provided in the following table:

16h 08m 27s
+08° 32’ 03”
Image of 47 Serpentis star
DSS2 image of 47 Serpentis. The red arrow shows the motion of 47 Serpentis during the next 10000 years (-2.83 arcmin in Right Ascension and -1.67 arcmin in declination);

Key facts about 47 Serpentis


and has a luminosity class of III corresponding to a giant star.


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

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

Distance of 47 Serpentis from the Sun and relative movement

47 Serpentis is distant 567.94 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

174.22 pc
567.94 ly
-22 km/s
-0.017 arcsec/year
-0.01 arcsec/year

Alternative designations of 47 Serpentis

47 Serpentis

Visibility of 47 Serpentis from your location

Today's 47 Serpentis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 81.5°
Max altitude: 47.1°
Azimuth: 278.5°