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public LocationGreenwich, UK
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?

ι Aquilae (iota Aquilae)

Below the horizon.  Rise: 20:38 | Tran: 2:33 | Set: 8:25
Altitude: -36.1°   Azimuth: 330.6°   Direction: North-North-West

ι Aquilae is a variable and double giant star of spectral class B5 in the constellation of Aquila.

ι Aquilae visual magnitude is 4.36. Because of its moderate brightness, ι Aquilae is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Celestial coordinates and finder chart of ι Aquilae

Finder chart ι Aquilae (iota Aquilae) star
Simplified finder chart for ι Aquilae (iota Aquilae).

ι 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 ι Aquilae are provided in the following table:

19h 36m 43s
-01° 17’ 11”
Image of ι Aquilae (iota Aquilae) star
DSS2 image of ι Aquilae. The red arrow shows the motion of ι Aquilae during the next 10000 years (0.67 arcmin in Right Ascension and -3.00 arcmin in declination);

Key facts about ι Aquilae


and has a luminosity class of III corresponding to a giant star.


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

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

ι Aquilae star system properties

ι 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 ι Aquilae double sysyem:

47 arcsec

Distance of ι Aquilae from the Sun and relative movement

ι Aquilae is distant 307.26 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

94.25 pc
307.26 ly
-21 km/s
0.004 arcsec/year
-0.018 arcsec/year

Alternative designations of ι Aquilae

ι Aquilae
(iota Aquilae)

Visibility of ι Aquilae from your location

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

Azimuth: 91.3°
Max altitude: 37.2°
Azimuth: 268.7°