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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: 7:43  
clear_day Transit: 11:47  
SunsetSet: 15:52 south
sleep NighttimeWhat's Visible Now?
All Constellations » Canis Major » 


Altitude: 4.3°   Azimuth: 212.1°   Direction: South-South-West

HR2822 is a giant star in the constellation of Canis Major.

HR2822 visual magnitude is 5.38. Because of its reltive faintness, HR2822 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 HR2822:


HR2822 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 4.3°
Azimuth: 212.1°
Direction: South-South-West

Celestial coordinates and finder chart of HR2822

HR2822 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 HR2822 are provided in the following table:

07h 23m 29s
-27° 50’ 03”
Canis Major

The simplified sky map below shows the position of HR2822 in the sky:

Finder chart HR2822 star
Simplified finder chart for HR2822.

Visibility of HR2822 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 HR2822 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: 117.8°
Max altitude: 10.7°
Azimuth: 242.2°

Digitized Sky Survey image of HR2822

The image below is a photograph of HR2822 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 HR2822 is 0.045 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 HR2822 star
DSS2 image of HR2822. The red arrow shows the motion of HR2822 during the next 10000 years (7.50 arcmin in Right Ascension and 0.83 arcmin in declination);

Distance of HR2822 from the Sun and relative movement

HR2822 is distant 548.82 light years from the Sun and it is moving far from the Sun at the speed of 48 kilometers per second.

168.35 pc
548.82 ly
48 km/s
0.045 arcsec/year
0.005 arcsec/year

Spectral properties of HR2822

HR2822 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 HR2822 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2822. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2822