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: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
wb_twilight Nautical TwilightWhat's Visible Now
All Constellations » Canis Major » 


Altitude: -29.2°   Azimuth: 280.5°   Direction: West

HR2788 is a variable main-sequence star in the constellation of Canis Major.

HR2788 visual magnitude is 5.7. Because of its reltive faintness, HR2788 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 HR2788:


HR2788 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -29.2°
Azimuth: 280.5°
Direction: West

Celestial coordinates and finder chart of HR2788

HR2788 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 HR2788 are provided in the following table:

07h 19m 28s
-16° 23’ 41”
Canis Major

The simplified sky map below shows the position of HR2788 in the sky:

Finder chart HR2788 star
Simplified finder chart for HR2788.

Visibility of HR2788 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 HR2788 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: 106.4°
Max altitude: 22.1°
Azimuth: 253.6°
HR2788 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2788

The image below is a photograph of HR2788 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 HR2788 is 0.157 arcsec per year in Right Ascension and -0.132 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR2788 star
DSS2 image of HR2788. The red arrow shows the motion of HR2788 during the next 1000 years (2.62 arcmin in Right Ascension and -2.20 arcmin in declination);

Distance of HR2788 from the Sun and relative movement

HR2788 is distant 143.55 light years from the Sun and it is moving towards the Sun at the speed of 39 kilometers per second.

44.03 pc
143.55 ly
-39 km/s
0.157 arcsec/year
-0.132 arcsec/year

Spectral properties of HR2788

HR2788 belongs to spectral class F1 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR2788 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2788. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2788