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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: 6:44  
clear_day Transit: 12:10  
SunsetSet: 17:38
sleep NighttimeWhat's Visible Now?
All Constellations » Canis Major » 


Altitude: 14.8°   Azimuth: 229.0°   Direction: South-West

HR2723 is a hypergiant star in the constellation of Canis Major.

HR2723 visual magnitude is 5.78. Because of its reltive faintness, HR2723 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 HR2723 is -0.003 arcsec per year in Right Ascension and 0.008 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR2723 star
DSS2 image of HR2723. The red arrow shows the motion of HR2723 during the next 100000 years (-5.00 arcmin in Right Ascension and 13.33 arcmin in declination);

Key facts about HR2723


HR2723 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 14.8°
Azimuth: 229.0°
Direction: South-West

Celestial coordinates and finder chart of HR2723

HR2723 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 HR2723 are provided in the following table:

07h 13m 07s
-11° 15’ 05”
Canis Major

The simplified sky map below shows the position of HR2723 in the sky:

Finder chart HR2723 star
Simplified finder chart for HR2723.

Visibility of HR2723 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 HR2723 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: 101.3°
Max altitude: 27.3°
Azimuth: 258.7°

Distance of HR2723 from the Sun and relative movement

HR2723 is distant 661.26 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

202.84 pc
661.26 ly
9 km/s
-0.003 arcsec/year
0.008 arcsec/year

Spectral properties of HR2723

HR2723 belongs to spectral class K0


The red dot in the diagram below shows where HR2723 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2723. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2723