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public LocationGreenwich, UK
Sunrise: 5:10 
Transit: 13:06 
Sunset: 21:02
sunny   (Daytime)   What's Visible Now?
All Constellations » Vulpecula » 

31 Vulpeculae

Above the horizon.  Rise: 17:14 | Tran: 1:56 | Set: 10:33
Alt: 26.82°   Az: 79.22°   Direction: East

31 Vulpeculae is a variable giant star of spectral class G7 in the constellation of Vulpecula.

31 Vulpeculae visual magnitude is 4.59. Because of its moderate brightness, 31 Vulpeculae is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of 31 Vulpeculae star
DSS2 image of 31 Vulpeculae. The red arrow shows the motion of 31 Vulpeculae during the next 10000 years (-11.17 arcmin in Right Ascension and -10.83 arcmin in declination);

Celestial Coordinates


20h 53m 10s
+27° 11’ 25”
18h 38m 55s
15h 32m 06s


20h 52m 07s
+27° 05’ 48”

Galactic Coordinates


Finder Chart

Finder chart 31 Vulpeculae star
Simplified finder chart for 31 Vulpeculae.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where 31 Vulpeculae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 31 Vulpeculae. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

31 Vulpeculae is distant 216.47 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

1 km/s
-0.067 arcsec/y

Alternative Designations

31 Vulpeculae

Visibility from Your Location

Today's 31 Vulpeculae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 62.8°
Max altitude: 65.7°
Azimuth: 297.2°