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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: 5:43  
clear_day Transit: 12:56  
SunsetSet: 20:10
sunny DaytimeWhat's Visible Now?
All Constellations » Aquarius » 


Altitude: -7.8°   Azimuth: 252.3°   Direction: West-South-West

HR8783 is a double hypergiant star in the constellation of Aquarius.

HR8783 visual magnitude is 6.14. Because of its reltive faintness, HR8783 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 HR8783 is -0.048 arcsec per year in Right Ascension and -0.039 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8783 star
DSS2 image of HR8783. The red arrow shows the motion of HR8783 during the next 10000 years (-8.00 arcmin in Right Ascension and -6.50 arcmin in declination);

Key facts about HR8783


HR8783 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -7.8°
Azimuth: 252.3°
Direction: West-South-West

Celestial coordinates and finder chart of HR8783

HR8783 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 HR8783 are provided in the following table:

23h 05m 12s
-17° 04’ 45”

The simplified sky map below shows the position of HR8783 in the sky:

Finder chart HR8783 star
Simplified finder chart for HR8783.

Visibility of HR8783 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 HR8783 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: 107.1°
Max altitude: 21.4°
Azimuth: 252.9°

Distance of HR8783 from the Sun and relative movement

HR8783 is distant 551.61 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

169.20 pc
551.61 ly
-15 km/s
-0.048 arcsec/year
-0.039 arcsec/year

Spectral properties of HR8783

HR8783 belongs to spectral class K0


The red dot in the diagram below shows where HR8783 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8783. Attribution: Richard Powell / CC BY-SA

HR8783 star system properties

HR8783 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR8783 double sysyem:

56.1 arcsec

Alternative designations of HR8783