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: 4:48  
clear_day Transit: 12:56  
SunsetSet: 21:05 south
wb_twilight Civil TwilightWhat's Visible Now
All Constellations » Hercules » 


HR6443 is a hypergiant star in the constellation of Hercules.

HR6443 visual magnitude is 5.65. Because of its reltive faintness, HR6443 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 HR6443:

HR6443 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 55°.

Celestial coordinates and finder chart of HR6443

HR6443 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 HR6443 are provided in the following table:

17h 18m 48s
+28° 49’ 23”

The simplified sky map below shows the position of HR6443 in the sky:

Finder chart HR6443 star
Simplified finder chart for HR6443.

Visibility of HR6443 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 HR6443 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: 61.2°
Max altitude: 67.3°
Azimuth: 298.8°
HR6443 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6443

The image below is a photograph of HR6443 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 HR6443 is 0.05 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6443 star
DSS2 image of HR6443. The red arrow shows the motion of HR6443 during the next 10000 years (8.33 arcmin in Right Ascension and -0.83 arcmin in declination);

Distance of HR6443 from the Sun and relative movement

HR6443 is distant 318.36 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

97.66 pc
318.36 ly
-14 km/s
0.05 arcsec/year
-0.005 arcsec/year

Spectral properties of HR6443

HR6443 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR6443 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6443. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6443