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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
north SunriseRise: 7:37  
clear_day Transit: 11:46  
SunsetSet: 15:55 south
sunny DaytimeWhat's Visible Now?
All Constellations » Hercules » 


Altitude: 66.2°   Azimuth: 200.7°   Direction: South-South-West

HR6466 is a double hypergiant star in the constellation of Hercules.

HR6466 visual magnitude is 6.35. Because of its reltive faintness, HR6466 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 HR6466:


HR6466 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 66.2°
Azimuth: 200.7°
Direction: South-South-West

Celestial coordinates and finder chart of HR6466

HR6466 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 HR6466 are provided in the following table:

17h 21m 31s
+28° 45’ 29”

The simplified sky map below shows the position of HR6466 in the sky:

Finder chart HR6466 star
Simplified finder chart for HR6466.

Visibility of HR6466 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 HR6466 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°

Digitized Sky Survey image of HR6466

The image below is a photograph of HR6466 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 HR6466 is 0.006 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR6466 star
DSS2 image of HR6466. The red arrow shows the motion of HR6466 during the next 100000 years (10.00 arcmin in Right Ascension and 10.00 arcmin in declination);

Distance of HR6466 from the Sun and relative movement

HR6466 is distant 535.30 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

164.20 pc
535.30 ly
-6 km/s
0.006 arcsec/year
0.006 arcsec/year

Spectral properties of HR6466

HR6466 belongs to spectral class G0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR6466 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6466. Attribution: Richard Powell / CC BY-SA

HR6466 star system properties

HR6466 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR6466 double sysyem:

0.6 arcsec

Alternative designations of HR6466