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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
SunriseRise: 5:43  
clear_day Transit: 12:56  
SunsetSet: 20:10
sunny DaytimeWhat's Visible Now?
All Constellations » Sagittarius » 


Altitude: -67.3°   Azimuth: 273.2°   Direction: West

HR7630 is a giant star in the constellation of Sagittarius.

HR7630 visual magnitude is 5.81. Because of its reltive faintness, HR7630 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR7630 is 0 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR7630 star
DSS2 image of HR7630. The red arrow shows the motion of HR7630 during the next 100000 years (0.00 arcmin in Right Ascension and 3.33 arcmin in declination);

Key facts about HR7630


HR7630 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -67.3°
Azimuth: 273.2°
Direction: West

Celestial coordinates and finder chart of HR7630

HR7630 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 HR7630 are provided in the following table:

20h 00m 48s
-45° 06’ 47”

The simplified sky map below shows the position of HR7630 in the sky:

Finder chart HR7630 star
Simplified finder chart for HR7630.

Visibility of HR7630 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR7630 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR7630 from the Sun and relative movement

HR7630 is distant 359.43 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

110.25 pc
359.43 ly
3 km/s
0.002 arcsec/year

Spectral properties of HR7630

HR7630 belongs to spectral class A8 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR7630 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7630. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7630