Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]

20 Vulpeculae

20 Vulpeculae is a variable main-sequence star in the constellation of Vulpecula.

20 Vulpeculae visual magnitude is 5.92. Because of its reltive faintness, 20 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 20 Vulpeculae:

5.92
Main-sequence
20 Vulpeculae is above the horizon from Greenwich, United Kingdom [change]. Altitude: 2°.

Celestial coordinates and finder chart of 20 Vulpeculae

20 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 20 Vulpeculae are provided in the following table:

20h 12m 00s
+26° 28’ 44”
65.53°
-4.07°
Vulpecula

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

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

Visibility of 20 Vulpeculae from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 20 Vulpeculae rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 63.5°
Max altitude: 65.0°
Azimuth: 296.5°
20 Vulpeculae is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 20 Vulpeculae

The image below is a photograph of 20 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 20 Vulpeculae is 0.008 arcsec per year in Right Ascension and -0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 20 Vulpeculae star
DSS2 image of 20 Vulpeculae. The red arrow shows the motion of 20 Vulpeculae during the next 10000 years (1.33 arcmin in Right Ascension and -1.83 arcmin in declination);

Distance of 20 Vulpeculae from the Sun and relative movement

20 Vulpeculae is distant 1,139.86 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

349.65 pc
1,139.86 ly
-22 km/s
0.008 arcsec/year
-0.011 arcsec/year

Spectral properties of 20 Vulpeculae

20 Vulpeculae belongs to spectral class B7 and has a luminosity class of V corresponding to a main-sequence star.

-1.80
B7V
11744K

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

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

Alternative designations of 20 Vulpeculae

20 Vulpeculae
SAO88339
SAO88339