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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: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Eridanus » 


Altitude: -51.4°   Azimuth: 253.3°   Direction: West-South-West

HR822 is a giant star in the constellation of Eridanus.

HR822 visual magnitude is 6.85. Because of its reltive faintness, HR822 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 HR822:


HR822 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -51.4°
Azimuth: 253.3°
Direction: West-South-West

Celestial coordinates and finder chart of HR822

HR822 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 HR822 are provided in the following table:

02h 45m 16s
-46° 17’ 13”

The simplified sky map below shows the position of HR822 in the sky:

Finder chart HR822 star
Simplified finder chart for HR822.

Visibility of HR822 from your location

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

HR822 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR822

The image below is a photograph of HR822 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 HR822 is -0.003 arcsec per year in Right Ascension and -0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR822 star
DSS2 image of HR822. The red arrow shows the motion of HR822 during the next 10000 years (-0.50 arcmin in Right Ascension and -2.33 arcmin in declination);

Distance of HR822 from the Sun and relative movement

HR822 is distant 1,298.80 light years from the Sun and it is moving far from the Sun at the speed of 32 kilometers per second.

398.41 pc
1,298.80 ly
32 km/s
-0.003 arcsec/year
-0.014 arcsec/year

Spectral properties of HR822

HR822 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR822 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR822. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR822