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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:16
sunny   (Daytime)   What's Visible Now?


Above the horizon.  Rise: 10:16 | Tran: 19:55 | Set: 5:37
Altitude: 56.4°   Azimuth: 107.5°   Direction: East-South-East

HR4783 is a hypergiant star of spectral class K0 in the constellation of Canes Venatici.

HR4783 visual magnitude is 5.42. Because of its faintness, HR4783 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of HR4783

Finder chart HR4783 star
Simplified finder chart for 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
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);

Key facts about HR4783


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

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

Alternative designations of HR4783


Visibility of HR4783 from your location

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

Azimuth: 56.8°
Max altitude: 71.8°
Azimuth: 303.2°