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: 4:48  
clear_day Transit: 12:56  
SunsetSet: 21:05 south
sunny DaytimeWhat's Visible Now
All Constellations » Canis Major » 


HR2785 is a hypergiant star in the constellation of Canis Major.

HR2785 visual magnitude is 6.09. Because of its reltive faintness, HR2785 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 HR2785:

HR2785 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 13°.

Celestial coordinates and finder chart of HR2785

HR2785 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 HR2785 are provided in the following table:

07h 19m 01s
-19° 16’ 49”
Canis Major

The simplified sky map below shows the position of HR2785 in the sky:

Finder chart HR2785 star
Simplified finder chart for HR2785.

Visibility of HR2785 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 HR2785 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: 109.3°
Max altitude: 19.2°
Azimuth: 250.7°
HR2785 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2785

The image below is a photograph of HR2785 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 HR2785 is 0.008 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR2785 star
DSS2 image of HR2785. The red arrow shows the motion of HR2785 during the next 100000 years (13.33 arcmin in Right Ascension and 3.33 arcmin in declination);

Distance of HR2785 from the Sun and relative movement

HR2785 is distant 32,600,000.00 light years from the Sun and it is moving far from the Sun at the speed of 62 kilometers per second.

10,000,000.00 pc
32,600,000.00 ly
62 km/s
0.008 arcsec/year
0.002 arcsec/year

Spectral properties of HR2785

HR2785 belongs to spectral class F0 and has a luminosity class of I corresponding to a hypergiant star.


The red dot in the diagram below shows where HR2785 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2785. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2785