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public LocationGreenwich, UK
Sunrise: 5:12 
Transit: 13:06 
Sunset: 20:59
sunny   (Daytime)   What's Visible Now?
All Constellations » Serpens » 


Below the horizon.  Rise: 17:59 | Tran: 22:40 | Set: 3:25
Alt: -22.67°   Az: 274.72°   Direction: West

HR6620 is a star of spectral class B9 in the constellation of Serpens.

HR6620 visual magnitude is 5.94. Because of its faintness, HR6620 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.

Image of HR6620 star
DSS2 image of HR6620. The red arrow shows the motion of HR6620 during the next 10000 years (-3.17 arcmin in Right Ascension and -3.33 arcmin in declination);

Celestial Coordinates


17h 49m 00s
-14° 43’ 58”
07h 12m 09s
01h 01m 10s


17h 47m 36s
-14° 43’ 32”

Galactic Coordinates


Finder Chart

Finder chart HR6620 star
Simplified finder chart for HR6620.

Magnitude, Color, Spectral Class

HR6620 is also a HgMn chemically peculiar star.


The red dot in the diagram below shows where HR6620 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6620. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6620 is distant 510.17 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

-25 km/s
-0.019 arcsec/y

Alternative Designations


Visibility from Your Location

Today's HR6620 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 104.7°
Max altitude: 23.8°
Azimuth: 255.3°