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public LocationGreenwich, UK
Sunrise: 5:14 
Transit: 13:06 
Sunset: 20:58
sunny   (Daytime)   What's Visible Now?
All Constellations » Aquila » 

23 Aquilae

Below the horizon.  Rise: 18:03 | Tran: 0:07 | Set: 6:14
Alt: -35.92°   Az: 341.65°   Direction: North-North-West

23 Aquilae is a variable and multiple bright giant star of spectral class K2 in the constellation of Aquila.

23 Aquilae visual magnitude is 5.1. Because of its faintness, 23 Aquilae is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of 23 Aquilae star
DSS2 image of 23 Aquilae. The red arrow shows the motion of 23 Aquilae during the next 10000 years (1.67 arcmin in Right Ascension and 3.17 arcmin in declination);

Celestial Coordinates


19h 19m 47s
+01° 07’ 53”
11h 00m 54s
06h 20m 41s


19h 18m 32s
+01° 05’ 07”

Galactic Coordinates


Finder Chart

Finder chart 23 Aquilae star
Simplified finder chart for 23 Aquilae.

Magnitude, Color, Spectral Class

Bright giant


The red dot in the diagram below shows where 23 Aquilae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 23 Aquilae. Attribution: Richard Powell / CC BY-SA

Star System Properties

23 Aquilae is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 23 Aquilae double sysyem:

3.1 arcsec

Distance, Radial Speed, Proper Motion

23 Aquilae is distant 380.84 light years from the Sun and it is moving towards the Sun at the speed of 24 kilometers per second.

-24 km/s
0.01 arcsec/y

Alternative Designations


Visibility from Your Location

Today's 23 Aquilae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 88.9°
Max altitude: 39.7°
Azimuth: 271.1°