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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: 6:44  
clear_day Transit: 12:10  
SunsetSet: 17:38
sunny DaytimeWhat's Visible Now?
All Constellations » Scorpius » 


Altitude: -48.7°   Azimuth: 258.6°   Direction: West-South-West

HR6649 is a sub-giant star in the constellation of Scorpius.

HR6649 visual magnitude is 6.2. Because of its reltive faintness, HR6649 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 HR6649 is 0.154 arcsec per year in Right Ascension and -0.196 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR6649 star
DSS2 image of HR6649. The red arrow shows the motion of HR6649 during the next 1000 years (2.57 arcmin in Right Ascension and -3.27 arcmin in declination);

Key facts about HR6649


HR6649 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -48.7°
Azimuth: 258.6°
Direction: West-South-West

Celestial coordinates and finder chart of HR6649

HR6649 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 HR6649 are provided in the following table:

17h 52m 52s
-41° 59’ 48”

The simplified sky map below shows the position of HR6649 in the sky:

Finder chart HR6649 star
Simplified finder chart for HR6649.

Visibility of HR6649 from your location

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

HR6649 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR6649 from the Sun and relative movement

HR6649 is distant 106.71 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

32.73 pc
106.71 ly
-14 km/s
0.154 arcsec/year
-0.196 arcsec/year

Spectral properties of HR6649

HR6649 belongs to spectral class F8 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR6649 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6649. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6649