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: 7:02  
clear_day Transit: 12:47  
SunsetSet: 18:32 south
sunny DaytimeWhat's Visible Now
All Constellations » Sagittarius » 


Altitude: -71.1°   Azimuth: 45.1°   Direction: North-East

HR6772 is a bright giant star in the constellation of Sagittarius.

HR6772 visual magnitude is 6.58. Because of its reltive faintness, HR6772 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 HR6772:

Bright giant

HR6772 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -71.1°
Azimuth: 45.1°
Direction: North-East

Celestial coordinates and finder chart of HR6772

HR6772 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6772 are provided in the following table:

18h 09m 22s
-36° 40’ 20”

The simplified sky map below shows the position of HR6772 in the sky:

Finder chart HR6772 star
Simplified finder chart for HR6772.

Visibility of HR6772 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 HR6772 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: 126.7°
Max altitude: 1.8°
Azimuth: 233.3°

Digitized Sky Survey image of HR6772

The image below is a photograph of HR6772 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 HR6772 is -0.011 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6772 star
DSS2 image of HR6772. The red arrow shows the motion of HR6772 during the next 10000 years (-1.83 arcmin in Right Ascension and -0.67 arcmin in declination);

Distance of HR6772 from the Sun and relative movement

HR6772 is distant 32,600,000.00 light years from the Sun and it is moving far from the Sun at the speed of 39 kilometers per second.

10,000,000.00 pc
32,600,000.00 ly
39 km/s
-0.011 arcsec/year
-0.004 arcsec/year

Spectral properties of HR6772

HR6772 belongs to spectral class B1 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where HR6772 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6772. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6772