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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:54  
clear_day Transit: 12:49  
SunsetSet: 18:43 south
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All Constellations » Aquila » 

71 Aquilae

Altitude: 18.9°   Azimuth: 242.5°   Direction: West-South-West

71 Aquilae is a variable and double giant star in the constellation of Aquila.

71 Aquilae visual magnitude is 4.32. Because of its moderate brightness, 71 Aquilae 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 71 Aquilae:


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

Altitude: 18.9°
Azimuth: 242.5°
Direction: West-South-West

Celestial coordinates and finder chart of 71 Aquilae

71 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 71 Aquilae are provided in the following table:

20h 38m 20s
-01° 06’ 19”

The simplified sky map below shows the position of 71 Aquilae in the sky:

Finder chart 71 Aquilae star
Simplified finder chart for 71 Aquilae.

Visibility of 71 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 71 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: 91.1°
Max altitude: 37.4°
Azimuth: 268.9°

Digitized Sky Survey image of 71 Aquilae

The image below is a photograph of 71 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 71 Aquilae is 0.015 arcsec per year in Right Ascension and -0.022 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 71 Aquilae star
DSS2 image of 71 Aquilae. The red arrow shows the motion of 71 Aquilae during the next 10000 years (2.50 arcmin in Right Ascension and -3.67 arcmin in declination);

Distance of 71 Aquilae from the Sun and relative movement

71 Aquilae is distant 383.53 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

117.65 pc
383.53 ly
-6 km/s
0.015 arcsec/year
-0.022 arcsec/year

Spectral properties of 71 Aquilae

71 Aquilae belongs to spectral class G7 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 71 Aquilae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 71 Aquilae. Attribution: Richard Powell / CC BY-SA

71 Aquilae star system properties

71 Aquilae is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the 71 Aquilae double sysyem:

32.2 arcsec

Alternative designations of 71 Aquilae