Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:46  
clear_day Transit: 12:51  
SunsetSet: 18:55 south
sunny DaytimeWhat's Visible Now
All Constellations » Sagittarius » 


Altitude: -32.2°   Azimuth: 79.0°   Direction: East

HR6944 is a double hypergiant star in the constellation of Sagittarius.

HR6944 visual magnitude is 5.14. Because of its reltive faintness, HR6944 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 HR6944:


HR6944 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -32.2°
Azimuth: 79.0°
Direction: East

Celestial coordinates and finder chart of HR6944

HR6944 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 HR6944 are provided in the following table:

18h 31m 26s
-18° 24’ 10”

The simplified sky map below shows the position of HR6944 in the sky:

Finder chart HR6944 star
Simplified finder chart for HR6944.

Visibility of HR6944 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 HR6944 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: 108.4°
Max altitude: 20.1°
Azimuth: 251.6°

Digitized Sky Survey image of HR6944

The image below is a photograph of HR6944 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 HR6944 is -0.003 arcsec per year in Right Ascension and -0.025 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6944 star
DSS2 image of HR6944. The red arrow shows the motion of HR6944 during the next 10000 years (-0.50 arcmin in Right Ascension and -4.17 arcmin in declination);

Distance of HR6944 from the Sun and relative movement

HR6944 is distant 213.07 light years from the Sun and it is moving towards the Sun at the speed of 37 kilometers per second.

65.36 pc
213.07 ly
-37 km/s
-0.003 arcsec/year
-0.025 arcsec/year

Spectral properties of HR6944

HR6944 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR6944 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6944. Attribution: Richard Powell / CC BY-SA

HR6944 star system properties

HR6944 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 HR6944 double sysyem:

25.2 arcsec

Alternative designations of HR6944