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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: 7:45  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
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All Constellations » Aquila » 

10 Aquilae

Altitude: 15.1°   Azimuth: 273.5°   Direction: West

10 Aquilae is a variable hypergiant star in the constellation of Aquila.

10 Aquilae visual magnitude is 5.89. Because of its reltive faintness, 10 Aquilae 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 Aquilae:


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

Altitude: 15.1°
Azimuth: 273.5°
Direction: West

Celestial coordinates and finder chart of 10 Aquilae

10 Aquilae 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 10 Aquilae are provided in the following table:

18h 58m 46s
+13° 54’ 24”

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

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

Visibility of 10 Aquilae 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 10 Aquilae 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: 76.1°
Max altitude: 52.4°
Azimuth: 283.9°

Digitized Sky Survey image of 10 Aquilae

The image below is a photograph of 10 Aquilae 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 Aquilae is -0.002 arcsec per year in Right Ascension and -0.052 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 10 Aquilae star
DSS2 image of 10 Aquilae. The red arrow shows the motion of 10 Aquilae during the next 10000 years (-0.33 arcmin in Right Ascension and -8.67 arcmin in declination);

Distance of 10 Aquilae from the Sun and relative movement

10 Aquilae is distant 242.38 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

74.35 pc
242.38 ly
15 km/s
-0.002 arcsec/year
-0.052 arcsec/year

Spectral properties of 10 Aquilae

10 Aquilae belongs to spectral class F0 10 Aquilae is also a SrEu chemically peculiar star.


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

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

Alternative designations of 10 Aquilae