Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:00  
clear_day Transit: 12:48  
SunsetSet: 18:34 south
sleep NighttimeWhat's Visible Now
All Constellations » Eridanus » 


Altitude: 5.2°   Azimuth: 96.7°   Direction: East

HR1366 is a multiple giant star in the constellation of Eridanus.

HR1366 visual magnitude is 5.86. Because of its reltive faintness, HR1366 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 HR1366:


HR1366 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 5.2°
Azimuth: 96.7°
Direction: East

Celestial coordinates and finder chart of HR1366

HR1366 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 HR1366 are provided in the following table:

04h 21m 27s
-00° 05’ 53”

The simplified sky map below shows the position of HR1366 in the sky:

Finder chart HR1366 star
Simplified finder chart for HR1366.

Visibility of HR1366 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 HR1366 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: 90.1°
Max altitude: 38.4°
Azimuth: 269.9°

Digitized Sky Survey image of HR1366

The image below is a photograph of HR1366 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 HR1366 is -0.016 arcsec per year in Right Ascension and -0.123 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR1366 star
DSS2 image of HR1366. The red arrow shows the motion of HR1366 during the next 1000 years (-0.27 arcmin in Right Ascension and -2.05 arcmin in declination);

Distance of HR1366 from the Sun and relative movement

HR1366 is distant 467.05 light years from the Sun and it is moving towards the Sun at the speed of 27 kilometers per second.

143.27 pc
467.05 ly
-27 km/s
-0.016 arcsec/year
-0.123 arcsec/year

Spectral properties of HR1366

HR1366 belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR1366 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1366. Attribution: Richard Powell / CC BY-SA

HR1366 star system properties

HR1366 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 HR1366 double sysyem:

197.8 arcsec

Alternative designations of HR1366