We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate now and help us to keep this site free and ad-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:54  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sunny DaytimeWhat's Visible Now?
All Constellations » Canis Major » 


Altitude: -59.6°   Azimuth: 335.0°   Direction: North-North-West

HR2799 is a variable main-sequence star in the constellation of Canis Major.

HR2799 visual magnitude is 6.61. Because of its reltive faintness, HR2799 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 HR2799:


HR2799 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -59.6°
Azimuth: 335.0°
Direction: North-North-West

Celestial coordinates and finder chart of HR2799

HR2799 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 HR2799 are provided in the following table:

07h 20m 53s
-22° 51’ 06”
Canis Major

The simplified sky map below shows the position of HR2799 in the sky:

Finder chart HR2799 star
Simplified finder chart for HR2799.

Visibility of HR2799 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 HR2799 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: 112.9°
Max altitude: 15.7°
Azimuth: 247.1°

Digitized Sky Survey image of HR2799

The image below is a photograph of HR2799 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 HR2799 is 0.006 arcsec per year in Right Ascension and -0.042 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2799 star
DSS2 image of HR2799. The red arrow shows the motion of HR2799 during the next 10000 years (1.00 arcmin in Right Ascension and -7.00 arcmin in declination);

Distance of HR2799 from the Sun and relative movement

HR2799 is distant 1,752.69 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

537.63 pc
1,752.69 ly
10 km/s
0.006 arcsec/year
-0.042 arcsec/year

Spectral properties of HR2799

HR2799 belongs to spectral class B2 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR2799 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2799. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2799