We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate now and help us to keep this site free and ad-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:54  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sleep NighttimeWhat's Visible Now?
All Constellations » Aquila » 


Altitude: -13.6°   Azimuth: 283.5°   Direction: West-North-West

HR7559 is a giant star in the constellation of Aquila.

HR7559 visual magnitude is 6.13. Because of its reltive faintness, HR7559 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR7559:


HR7559 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -13.6°
Azimuth: 283.5°
Direction: West-North-West

Celestial coordinates and finder chart of HR7559

HR7559 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 HR7559 are provided in the following table:

19h 51m 11s
-02° 27’ 38”

The simplified sky map below shows the position of HR7559 in the sky:

Finder chart HR7559 star
Simplified finder chart for HR7559.

Visibility of HR7559 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 HR7559 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: 92.5°
Max altitude: 36.1°
Azimuth: 267.5°

Digitized Sky Survey image of HR7559

The image below is a photograph of HR7559 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 HR7559 is -0.007 arcsec per year in Right Ascension and -0.035 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7559 star
DSS2 image of HR7559. The red arrow shows the motion of HR7559 during the next 10000 years (-1.17 arcmin in Right Ascension and -5.83 arcmin in declination);

Distance of HR7559 from the Sun and relative movement

HR7559 is distant 569.93 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

174.83 pc
569.93 ly
9 km/s
-0.007 arcsec/year
-0.035 arcsec/year

Spectral properties of HR7559

HR7559 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 HR7559 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7559. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7559