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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: 6:52  
clear_day Transit: 12:11  
SunsetSet: 17:31
sleep NighttimeWhat's Visible Now?
All Constellations » Scorpius » 


Altitude: -4.9°   Azimuth: 143.5°   Direction: South-East

HR6648 is a giant star in the constellation of Scorpius.

HR6648 visual magnitude is 5.84. Because of its reltive faintness, HR6648 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 HR6648 is -0.001 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR6648 star
DSS2 image of HR6648. The red arrow shows the motion of HR6648 during the next 100000 years (-1.67 arcmin in Right Ascension and 5.00 arcmin in declination);

Key facts about HR6648


HR6648 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -4.9°
Azimuth: 143.5°
Direction: South-East

Celestial coordinates and finder chart of HR6648

HR6648 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 HR6648 are provided in the following table:

17h 52m 19s
-34° 25’ 00”

The simplified sky map below shows the position of HR6648 in the sky:

Finder chart HR6648 star
Simplified finder chart for HR6648.

Visibility of HR6648 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 HR6648 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: 124.4°
Max altitude: 4.1°
Azimuth: 235.6°

Distance of HR6648 from the Sun and relative movement

HR6648 is distant 744.29 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

228.31 pc
744.29 ly
-21 km/s
-0.001 arcsec/year
0.003 arcsec/year

Spectral properties of HR6648

HR6648 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR6648 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6648. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6648