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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: 7:49  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Sagittarius » 


Altitude: -46.9°   Azimuth: 80.3°   Direction: East

HR7725 is a giant star in the constellation of Sagittarius.

HR7725 visual magnitude is 6.3. Because of its reltive faintness, HR7725 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 HR7725:


HR7725 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -46.9°
Azimuth: 80.3°
Direction: East

Celestial coordinates and finder chart of HR7725

HR7725 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 HR7725 are provided in the following table:

20h 15m 50s
-30° 00’ 19”

The simplified sky map below shows the position of HR7725 in the sky:

Finder chart HR7725 star
Simplified finder chart for HR7725.

Visibility of HR7725 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 HR7725 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: 120.0°
Max altitude: 8.5°
Azimuth: 240.0°

Digitized Sky Survey image of HR7725

The image below is a photograph of HR7725 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 HR7725 is 0.037 arcsec per year in Right Ascension and 0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7725 star
DSS2 image of HR7725. The red arrow shows the motion of HR7725 during the next 10000 years (6.17 arcmin in Right Ascension and 2.17 arcmin in declination);

Distance of HR7725 from the Sun and relative movement

HR7725 is distant 1,147.89 light years from the Sun and it is moving towards the Sun at the speed of 99 kilometers per second.

352.11 pc
1,147.89 ly
-99 km/s
0.037 arcsec/year
0.013 arcsec/year

Spectral properties of HR7725

HR7725 belongs to spectral class K4 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR7725 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7725. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7725