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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: 7:44  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
sunny DaytimeWhat's Visible Now?
All Constellations » Canis Major » 


Altitude: -64.3°   Azimuth: 359.2°   Direction: North

HR2544 is a main-sequence star in the constellation of Canis Major.

HR2544 visual magnitude is 6.33. Because of its reltive faintness, HR2544 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 HR2544:


HR2544 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -64.3°
Azimuth: 359.2°
Direction: North

Celestial coordinates and finder chart of HR2544

HR2544 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 HR2544 are provided in the following table:

06h 50m 36s
-25° 46’ 41”
Canis Major

The simplified sky map below shows the position of HR2544 in the sky:

Finder chart HR2544 star
Simplified finder chart for HR2544.

Visibility of HR2544 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 HR2544 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: 115.8°
Max altitude: 12.7°
Azimuth: 244.2°

Digitized Sky Survey image of HR2544

The image below is a photograph of HR2544 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 HR2544 is -0.006 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 HR2544 star
DSS2 image of HR2544. The red arrow shows the motion of HR2544 during the next 10000 years (-1.00 arcmin in Right Ascension and 2.33 arcmin in declination);

Distance of HR2544 from the Sun and relative movement

HR2544 is distant 1,202.95 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.

369.00 pc
1,202.95 ly
21 km/s
-0.006 arcsec/year
0.014 arcsec/year

Spectral properties of HR2544

HR2544 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 HR2544 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2544. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2544