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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Sagittarius » 


Altitude: -34.3°   Azimuth: 106.0°   Direction: East-South-East

HR7765 is a giant star in the constellation of Sagittarius.

HR7765 visual magnitude is 6.46. Because of its reltive faintness, HR7765 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 HR7765:


HR7765 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -34.3°
Azimuth: 106.0°
Direction: East-South-East

Celestial coordinates and finder chart of HR7765

HR7765 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 HR7765 are provided in the following table:

20h 20m 51s
-35° 40’ 24”

The simplified sky map below shows the position of HR7765 in the sky:

Finder chart HR7765 star
Simplified finder chart for HR7765.

Visibility of HR7765 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 HR7765 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: 125.7°
Max altitude: 2.8°
Azimuth: 234.3°

Digitized Sky Survey image of HR7765

The image below is a photograph of HR7765 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 HR7765 is 0.039 arcsec per year in Right Ascension and 0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7765 star
DSS2 image of HR7765. The red arrow shows the motion of HR7765 during the next 10000 years (6.50 arcmin in Right Ascension and 3.00 arcmin in declination);

Distance of HR7765 from the Sun and relative movement

HR7765 is distant 443.54 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

136.05 pc
443.54 ly
-15 km/s
0.039 arcsec/year
0.018 arcsec/year

Spectral properties of HR7765

HR7765 belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR7765 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7765. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7765