Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:47  
clear_day Transit: 12:56  
SunsetSet: 21:06 south
sunny DaytimeWhat's Visible Now
All Constellations » Vulpecula » 

18 Vulpeculae

18 Vulpeculae is a giant star in the constellation of Vulpecula.

18 Vulpeculae visual magnitude is 5.52. Because of its reltive faintness, 18 Vulpeculae should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 18 Vulpeculae:

18 Vulpeculae is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of 18 Vulpeculae

18 Vulpeculae is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 18 Vulpeculae are provided in the following table:

20h 10m 33s
+26° 54’ 15”

The simplified sky map below shows the position of 18 Vulpeculae in the sky:

Finder chart 18 Vulpeculae star
Simplified finder chart for 18 Vulpeculae.

Visibility of 18 Vulpeculae 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 18 Vulpeculae 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: 63.1°
Max altitude: 65.4°
Azimuth: 296.9°
18 Vulpeculae is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 18 Vulpeculae

The image below is a photograph of 18 Vulpeculae from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 18 Vulpeculae is 0.02 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 18 Vulpeculae star
DSS2 image of 18 Vulpeculae. The red arrow shows the motion of 18 Vulpeculae during the next 10000 years (3.33 arcmin in Right Ascension and 2.17 arcmin in declination);

Distance of 18 Vulpeculae from the Sun and relative movement

18 Vulpeculae is distant 419.56 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

128.70 pc
419.56 ly
-12 km/s
0.02 arcsec/year
0.013 arcsec/year

Spectral properties of 18 Vulpeculae

18 Vulpeculae belongs to spectral class A3 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 18 Vulpeculae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 18 Vulpeculae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 18 Vulpeculae

18 Vulpeculae