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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
north SunriseRise: 7:49  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
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All Constellations » Vulpecula » 

12 Vulpeculae

Altitude: 2.3°   Azimuth: 55.5°   Direction: North-East

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

12 Vulpeculae visual magnitude is 4.95. Because of its moderate brightness, 12 Vulpeculae should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about 12 Vulpeculae:


12 Vulpeculae is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 2.3°
Azimuth: 55.5°
Direction: North-East

Celestial coordinates and finder chart of 12 Vulpeculae

12 Vulpeculae 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 12 Vulpeculae are provided in the following table:

19h 51m 04s
+22° 36’ 35”

The simplified sky map below shows the position of 12 Vulpeculae in the sky:

Finder chart 12 Vulpeculae star
Simplified finder chart for 12 Vulpeculae.

Visibility of 12 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 12 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: 67.4°
Max altitude: 61.1°
Azimuth: 292.6°

Digitized Sky Survey image of 12 Vulpeculae

The image below is a photograph of 12 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 12 Vulpeculae is 0.028 arcsec per year in Right Ascension and -0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 12 Vulpeculae star
DSS2 image of 12 Vulpeculae. The red arrow shows the motion of 12 Vulpeculae during the next 10000 years (4.67 arcmin in Right Ascension and -2.83 arcmin in declination);

Distance of 12 Vulpeculae from the Sun and relative movement

12 Vulpeculae is distant 618.60 light years from the Sun and it is moving towards the Sun at the speed of 31 kilometers per second.

189.75 pc
618.60 ly
-31 km/s
0.028 arcsec/year
-0.017 arcsec/year

Spectral properties of 12 Vulpeculae

12 Vulpeculae belongs to spectral class B2 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where 12 Vulpeculae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 12 Vulpeculae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 12 Vulpeculae

12 Vulpeculae