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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: 6:44  
clear_day Transit: 12:10  
SunsetSet: 17:38
sleep NighttimeWhat's Visible Now?
All Constellations » Columba » 


Altitude: -20.6°   Azimuth: 239.8°   Direction: West-South-West

HR1766 is a sub-giant star in the constellation of Columba.

HR1766 visual magnitude is 6.34. Because of its reltive faintness, HR1766 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 HR1766 is -0.007 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR1766 star
DSS2 image of HR1766. The red arrow shows the motion of HR1766 during the next 100000 years (-11.67 arcmin in Right Ascension and -6.67 arcmin in declination);

Key facts about HR1766


HR1766 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -20.6°
Azimuth: 239.8°
Direction: West-South-West

Celestial coordinates and finder chart of HR1766

HR1766 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 HR1766 are provided in the following table:

05h 20m 20s
-34° 41’ 56”

The simplified sky map below shows the position of HR1766 in the sky:

Finder chart HR1766 star
Simplified finder chart for HR1766.

Visibility of HR1766 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 HR1766 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: 124.7°
Max altitude: 3.8°
Azimuth: 235.3°

Distance of HR1766 from the Sun and relative movement

HR1766 is distant 698.07 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

214.13 pc
698.07 ly
-10 km/s
-0.007 arcsec/year
-0.004 arcsec/year

Spectral properties of HR1766

HR1766 belongs to spectral class F2 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR1766 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR1766. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1766