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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:52  
clear_day Transit: 12:11  
SunsetSet: 17:31
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All Constellations » Carina » 


Altitude: -28.2°   Azimuth: 180.4°   Direction: South

HR3783 is a hypergiant star in the constellation of Carina.

HR3783 visual magnitude is 5.91. Because of its reltive faintness, HR3783 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR3783 is -0.033 arcsec per year in Right Ascension and 0.047 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3783 star
DSS2 image of HR3783. The red arrow shows the motion of HR3783 during the next 10000 years (-5.50 arcmin in Right Ascension and 7.83 arcmin in declination);

Key facts about HR3783


HR3783 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -28.2°
Azimuth: 180.4°
Direction: South

Celestial coordinates and finder chart of HR3783

HR3783 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3783 are provided in the following table:

09h 28m 30s
-66° 42’ 06”

The simplified sky map below shows the position of HR3783 in the sky:

Finder chart HR3783 star
Simplified finder chart for HR3783.

Visibility of HR3783 from your location

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

HR3783 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3783 from the Sun and relative movement

HR3783 is distant 267.87 light years from the Sun and it is moving far from the Sun at the speed of 29 kilometers per second.

82.17 pc
267.87 ly
29 km/s
-0.033 arcsec/year
0.047 arcsec/year

Spectral properties of HR3783

HR3783 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR3783 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3783. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3783