Your guide to the Solar System and the night sky
Latest Perseverance Images received 2 hours 32 mins ago for Sol281, Sol280, Sol279, Sol257, Sol256, Sol255, Sol254, Sol253, Sol238
Please donate now to help keep TheSkyLive ads-free. This site cannot run without your voluntary donations.
🌎  Greenwich, United Kingdom [change]


HR4783 is a hypergiant star in the constellation of Canes Venatici.

HR4783 visual magnitude is 5.42. Because of its reltive faintness, HR4783 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 HR4783:

HR4783 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4783

HR4783 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4783 are provided in the following table:

12h 33m 38s
+33° 14’ 51”
Canes Venatici

The simplified sky map below shows the position of HR4783 in the sky:

Finder chart HR4783 star
Simplified finder chart for HR4783.

Visibility of HR4783 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR4783 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 56.8°
Max altitude: 71.8°
Azimuth: 303.2°
HR4783 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4783

The image below is a photograph of HR4783 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 HR4783 is 0.02 arcsec per year in Right Ascension and -0.033 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4783 star
DSS2 image of HR4783. The red arrow shows the motion of HR4783 during the next 10000 years (3.33 arcmin in Right Ascension and -5.50 arcmin in declination);

Distance of HR4783 from the Sun and relative movement

HR4783 is distant 265.91 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

81.57 pc
265.91 ly
-20 km/s
0.02 arcsec/year
-0.033 arcsec/year

Spectral properties of HR4783

HR4783 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR4783 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4783. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4783