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
Your support keeps us free & ad-free » Donate
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:52  
clear_day Transit: 12:11  
SunsetSet: 17:31
sleep NighttimeWhat's Visible Now?
All Constellations » Columba » 


Altitude: -10.5°   Azimuth: 228.3°   Direction: South-West

HR1966 is a hypergiant star in the constellation of Columba.

HR1966 visual magnitude is 6.34. Because of its reltive faintness, HR1966 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 HR1966 is 0.014 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1966 star
DSS2 image of HR1966. The red arrow shows the motion of HR1966 during the next 10000 years (2.33 arcmin in Right Ascension and -0.33 arcmin in declination);

Key facts about HR1966


HR1966 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -10.5°
Azimuth: 228.3°
Direction: South-West

Celestial coordinates and finder chart of HR1966

HR1966 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 HR1966 are provided in the following table:

05h 41m 26s
-33° 24’ 02”

The simplified sky map below shows the position of HR1966 in the sky:

Finder chart HR1966 star
Simplified finder chart for HR1966.

Visibility of HR1966 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 HR1966 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: 123.4°
Max altitude: 5.1°
Azimuth: 236.6°

Distance of HR1966 from the Sun and relative movement

HR1966 is distant 431.79 light years from the Sun and it is moving far from the Sun at the speed of 29 kilometers per second.

132.45 pc
431.79 ly
29 km/s
0.014 arcsec/year
-0.002 arcsec/year

Spectral properties of HR1966

HR1966 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 HR1966 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1966. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1966