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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
SunriseRise: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
sleep NighttimeWhat's Visible Now?
All Constellations » Aquila » 

66 Aquilae

Altitude: -25.3°   Azimuth: 55.7°   Direction: North-East

66 Aquilae is a giant star in the constellation of Aquila.

66 Aquilae visual magnitude is 5.47. Because of its reltive faintness, 66 Aquilae should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of 66 Aquilae is 0.022 arcsec per year in Right Ascension and -0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 66 Aquilae star
DSS2 image of 66 Aquilae. The red arrow shows the motion of 66 Aquilae during the next 10000 years (3.67 arcmin in Right Ascension and -4.67 arcmin in declination);

Key facts about 66 Aquilae


66 Aquilae is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -25.3°
Azimuth: 55.7°
Direction: North-East

Celestial coordinates and finder chart of 66 Aquilae

66 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 66 Aquilae are provided in the following table:

20h 13m 13s
-01° 00’ 33”

The simplified sky map below shows the position of 66 Aquilae in the sky:

Finder chart 66 Aquilae star
Simplified finder chart for 66 Aquilae.

Visibility of 66 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 66 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: 91.0°
Max altitude: 37.5°
Azimuth: 269.0°

Distance of 66 Aquilae from the Sun and relative movement

66 Aquilae is distant 888.28 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

272.48 pc
888.28 ly
-28 km/s
0.022 arcsec/year
-0.028 arcsec/year

Spectral properties of 66 Aquilae

66 Aquilae belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 66 Aquilae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 66 Aquilae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 66 Aquilae