We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate now and help us to keep this site free and ad-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:52  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sleep NighttimeWhat's Visible Now?
All Constellations » Canes Venatici » 


Altitude: 11.0°   Azimuth: 49.0°   Direction: North-East

HR4784 is a hypergiant star in the constellation of Canes Venatici.

HR4784 visual magnitude is 6.24. Because of its reltive faintness, HR4784 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 HR4784:


HR4784 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 11.0°
Azimuth: 49.0°
Direction: North-East

Celestial coordinates and finder chart of HR4784

HR4784 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 HR4784 are provided in the following table:

12h 33m 47s
+33° 23’ 04”
Canes Venatici

The simplified sky map below shows the position of HR4784 in the sky:

Finder chart HR4784 star
Simplified finder chart for HR4784.

Visibility of HR4784 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 HR4784 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: 56.6°
Max altitude: 71.9°
Azimuth: 303.4°

Digitized Sky Survey image of HR4784

The image below is a photograph of HR4784 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 HR4784 is 0.002 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR4784 star
DSS2 image of HR4784. The red arrow shows the motion of HR4784 during the next 100000 years (3.33 arcmin in Right Ascension and -13.33 arcmin in declination);

Distance of HR4784 from the Sun and relative movement

HR4784 is distant 374.28 light years from the Sun and it is moving towards the Sun at the speed of 43 kilometers per second.

114.81 pc
374.28 ly
-43 km/s
0.002 arcsec/year
-0.008 arcsec/year

Spectral properties of HR4784

HR4784 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 HR4784 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4784. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4784