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: 6:55  
clear_day Transit: 12:49  
SunsetSet: 18:41 south
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All Constellations » Draco » 

51 Draconis

Altitude: 42.3°   Azimuth: 53.1°   Direction: North-East

51 Draconis is a hypergiant star in the constellation of Draco.

51 Draconis visual magnitude is 5.38. Because of its reltive faintness, 51 Draconis 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 51 Draconis:


51 Draconis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 42.3°
Azimuth: 53.1°
Direction: North-East

Celestial coordinates and finder chart of 51 Draconis

51 Draconis 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 51 Draconis are provided in the following table:

19h 04m 55s
+53° 23’ 48”

The simplified sky map below shows the position of 51 Draconis in the sky:

Finder chart 51 Draconis star
Simplified finder chart for 51 Draconis.

Visibility of 51 Draconis from your location

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

51 Draconis is circumpolar and transits at 18:31 UTC (altitude: 88.1°)

Digitized Sky Survey image of 51 Draconis

The image below is a photograph of 51 Draconis 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 51 Draconis is -0.003 arcsec per year in Right Ascension and 0.025 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 51 Draconis star
DSS2 image of 51 Draconis. The red arrow shows the motion of 51 Draconis during the next 10000 years (-0.50 arcmin in Right Ascension and 4.17 arcmin in declination);

Distance of 51 Draconis from the Sun and relative movement

51 Draconis is distant 349.04 light years from the Sun and it is moving towards the Sun at the speed of 24 kilometers per second.

107.07 pc
349.04 ly
-24 km/s
-0.003 arcsec/year
0.025 arcsec/year

Spectral properties of 51 Draconis

51 Draconis belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where 51 Draconis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 51 Draconis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 51 Draconis

51 Draconis