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

μ Draconis (mu Draconis)

μ Draconis is a multiple main-sequence star in the constellation of Draco.

μ Draconis visual magnitude is 5.83. Because of its reltive faintness, μ 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 μ Draconis:

5.83
Main-sequence
μ Draconis (mu Draconis) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 20°.

Celestial coordinates and finder chart of μ Draconis

μ 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 μ Draconis are provided in the following table:

17h 05m 19s
+54° 28’ 13”
82.3°
37.02°
Draco

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

Finder chart μ Draconis (mu Draconis) star
Simplified finder chart for μ Draconis (mu Draconis).

Visibility of μ Draconis from your location

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

μ Draconis (mu Draconis) is circumpolar and transits at 07:56 UTC (altitude: 87.0°)

Digitized Sky Survey image of μ Draconis

The image below is a photograph of μ 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 μ Draconis is -0.073 arcsec per year in Right Ascension and 0.085 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of μ Draconis (mu Draconis) star
DSS2 image of μ Draconis. The red arrow shows the motion of μ Draconis during the next 10000 years (-12.17 arcmin in Right Ascension and 14.17 arcmin in declination);

Distance of μ Draconis from the Sun and relative movement

μ Draconis is distant 87.92 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

26.97 pc
87.92 ly
-18 km/s
-0.073 arcsec/year
0.085 arcsec/year

Spectral properties of μ Draconis

μ Draconis belongs to spectral class F7 and has a luminosity class of V corresponding to a main-sequence star.

3.68
F7V
10125K

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

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

μ Draconis star system properties

μ Draconis is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the μ Draconis double sysyem:

5.83
5.93
0.1
2 arcsec

Alternative designations of μ Draconis

μ Draconis
(mu Draconis)
21 Draconis
SAO30239
SAO30239
Wo 9584 B