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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: 7:54  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
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All Constellations » Andromeda » 

10 Andromedae

Altitude: 10.1°   Azimuth: 29.7°   Direction: North-North-East

10 Andromedae is a hypergiant star in the constellation of Andromeda.

10 Andromedae visual magnitude is 5.79. Because of its reltive faintness, 10 Andromedae 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 10 Andromedae:


10 Andromedae is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 10.1°
Azimuth: 29.7°
Direction: North-North-East

Celestial coordinates and finder chart of 10 Andromedae

10 Andromedae 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 10 Andromedae are provided in the following table:

23h 19m 52s
+42° 04’ 41”

The simplified sky map below shows the position of 10 Andromedae in the sky:

Finder chart 10 Andromedae star
Simplified finder chart for 10 Andromedae.

Visibility of 10 Andromedae from your location

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

10 Andromedae is circumpolar and transits at 17:59 UTC (altitude: 80.6°)

Digitized Sky Survey image of 10 Andromedae

The image below is a photograph of 10 Andromedae 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 10 Andromedae is 0.052 arcsec per year in Right Ascension and 0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 10 Andromedae star
DSS2 image of 10 Andromedae. The red arrow shows the motion of 10 Andromedae during the next 10000 years (8.67 arcmin in Right Ascension and 1.67 arcmin in declination);

Distance of 10 Andromedae from the Sun and relative movement

10 Andromedae is distant 542.43 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

166.39 pc
542.43 ly
3 km/s
0.052 arcsec/year
0.01 arcsec/year

Spectral properties of 10 Andromedae

10 Andromedae belongs to spectral class M0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where 10 Andromedae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 10 Andromedae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 10 Andromedae

10 Andromedae