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: 6:46  
clear_day Transit: 12:51  
SunsetSet: 18:55 south
wb_twilight Civil TwilightWhat's Visible Now
All Constellations » Hercules » 


Altitude: 0.5°   Azimuth: 355.1°   Direction: North

HR6625 is a hypergiant star in the constellation of Hercules.

HR6625 visual magnitude is 6.52. Because of its reltive faintness, HR6625 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 HR6625:


HR6625 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 0.5°
Azimuth: 355.1°
Direction: North

Celestial coordinates and finder chart of HR6625

HR6625 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6625 are provided in the following table:

17h 45m 53s
+38° 52’ 53”

The simplified sky map below shows the position of HR6625 in the sky:

Finder chart HR6625 star
Simplified finder chart for HR6625.

Visibility of HR6625 from your location

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

HR6625 is circumpolar and transits at 17:36 UTC (altitude: 77.4°)

Digitized Sky Survey image of HR6625

The image below is a photograph of HR6625 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 HR6625 is 0.003 arcsec per year in Right Ascension and -0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6625 star
DSS2 image of HR6625. The red arrow shows the motion of HR6625 during the next 10000 years (0.50 arcmin in Right Ascension and -4.67 arcmin in declination);

Distance of HR6625 from the Sun and relative movement

HR6625 is distant 387.17 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

118.76 pc
387.17 ly
-12 km/s
0.003 arcsec/year
-0.028 arcsec/year

Spectral properties of HR6625

HR6625 belongs to spectral class K0


The red dot in the diagram below shows where HR6625 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6625. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6625