Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:49  
clear_day Transit: 12:56  
SunsetSet: 21:04 south
sunny DaytimeWhat's Visible Now
All Constellations » Canis Major » 


HR2755 is a hypergiant star in the constellation of Canis Major.

HR2755 visual magnitude is 6.32. Because of its reltive faintness, HR2755 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 HR2755:

HR2755 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2755

HR2755 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 HR2755 are provided in the following table:

07h 15m 47s
-23° 44’ 26”
Canis Major

The simplified sky map below shows the position of HR2755 in the sky:

Finder chart HR2755 star
Simplified finder chart for HR2755.

Visibility of HR2755 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 HR2755 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: 113.7°
Max altitude: 14.8°
Azimuth: 246.3°
HR2755 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2755

The image below is a photograph of HR2755 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 HR2755 is 0.017 arcsec per year in Right Ascension and 0.007 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2755 star
DSS2 image of HR2755. The red arrow shows the motion of HR2755 during the next 10000 years (2.83 arcmin in Right Ascension and 1.17 arcmin in declination);

Distance of HR2755 from the Sun and relative movement

HR2755 is distant 910.61 light years from the Sun and it is moving far from the Sun at the speed of 34 kilometers per second.

279.33 pc
910.61 ly
34 km/s
0.017 arcsec/year
0.007 arcsec/year

Spectral properties of HR2755

HR2755 belongs to spectral class A0


The red dot in the diagram below shows where HR2755 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2755. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2755