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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: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
sleep NighttimeWhat's Visible Now?
All Constellations » Pegasus » 


Altitude: -13.6°   Azimuth: 0.7°   Direction: North

HR8466 is a hypergiant star in the constellation of Pegasus.

HR8466 visual magnitude is 5.92. Because of its reltive faintness, HR8466 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 HR8466 is -0.004 arcsec per year in Right Ascension and -0.022 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8466 star
DSS2 image of HR8466. The red arrow shows the motion of HR8466 during the next 10000 years (-0.67 arcmin in Right Ascension and -3.67 arcmin in declination);

Key facts about HR8466


HR8466 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -13.6°
Azimuth: 0.7°
Direction: North

Celestial coordinates and finder chart of HR8466

HR8466 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8466 are provided in the following table:

22h 12m 07s
+24° 56’ 59”

The simplified sky map below shows the position of HR8466 in the sky:

Finder chart HR8466 star
Simplified finder chart for HR8466.

Visibility of HR8466 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 HR8466 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: 65.1°
Max altitude: 63.5°
Azimuth: 295.0°

Distance of HR8466 from the Sun and relative movement

HR8466 is distant 3,046.73 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

934.58 pc
3,046.73 ly
-3 km/s
-0.004 arcsec/year
-0.022 arcsec/year

Spectral properties of HR8466

HR8466 belongs to spectral class K0


The red dot in the diagram below shows where HR8466 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8466. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8466