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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:17
sunny   (Daytime)   What's Visible Now?

η Sagittae (eta Sagittae)

Below the horizon.  Rise: 19:27 | Tran: 3:17 | Set: 11:04
Altitude: -14.6°   Azimuth: 333.3°   Direction: North-North-West

η Sagittae is a giant star of spectral class K2 in the constellation of Sagitta.

η Sagittae visual magnitude is 5.1. Because of its faintness, η Sagittae 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.

Celestial coordinates and finder chart of η Sagittae

Finder chart η Sagittae (eta Sagittae) star
Simplified finder chart for η Sagittae (eta Sagittae).

η Sagittae 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 η Sagittae are provided in the following table:

20h 05m 09s
+19° 59’ 27”
Image of η Sagittae (eta Sagittae) star
DSS2 image of η Sagittae. The red arrow shows the motion of η Sagittae during the next 10000 years (5.00 arcmin in Right Ascension and 13.00 arcmin in declination);

Key facts about η Sagittae


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


The red dot in the diagram below shows where η Sagittae is situated in the Hertzsprung–Russell diagram.

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

Distance of η Sagittae from the Sun and relative movement

η Sagittae is distant 161.63 light years from the Sun and it is moving towards the Sun at the speed of 40 kilometers per second.

49.58 pc
161.63 ly
-40 km/s
0.03 arcsec/year
0.078 arcsec/year

Alternative designations of η Sagittae

η Sagittae
(eta Sagittae)
16 Sagittae

Visibility of η Sagittae from your location

Today's η Sagittae (eta Sagittae) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 70.0°
Max altitude: 58.5°
Azimuth: 290.0°