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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Sagittarius » 

HR7764

Above the horizon.  Rise: 0:01 | Tran: 3:05 | Set: 6:06
Altitude: 8.8°   Azimuth: 171.0°   Direction: South

HR7764 is a multiple main-sequence star of spectral class A4 in the constellation of Sagittarius.

HR7764 visual magnitude is 6.3. Because of its faintness, HR7764 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 HR7764

Finder chart HR7764 star
Simplified finder chart for HR7764.

HR7764 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 HR7764 are provided in the following table:

20h 20m 28s
-29° 11’ 49”
13.6°
-31.11°
Sagittarius
Image of HR7764 star
DSS2 image of HR7764. The red arrow shows the motion of HR7764 during the next 10000 years (4.67 arcmin in Right Ascension and 0.67 arcmin in declination);

Key facts about HR7764

6.3
Main-sequence

and has a luminosity class of V corresponding to a main-sequence star.

-0.40
A4V
8403K

The red dot in the diagram below shows where HR7764 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7764. Attribution: Richard Powell / CC BY-SA

HR7764 star system properties

HR7764 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR7764 double sysyem:

6.3
7.4
1.1
27.2 arcsec

Distance of HR7764 from the Sun and relative movement

HR7764 is distant 711.79 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

218.34 pc
711.79 ly
4 km/s
0.028 arcsec/year
0.004 arcsec/year

Alternative designations of HR7764

SAO189164
SAO189164

Visibility of HR7764 from your location

Today's HR7764 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 119.2°
Max altitude: 9.3°
Azimuth: 240.8°