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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: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
sleep NighttimeWhat's Visible Now?
All Constellations » Lepus » 


Altitude: 1.4°   Azimuth: 237.9°   Direction: West-South-West

HR1747 is a multiple hypergiant star in the constellation of Lepus.

HR1747 visual magnitude is 5.96. Because of its reltive faintness, HR1747 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR1747 is 0.381 arcsec per year in Right Ascension and 0.058 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR1747 star
DSS2 image of HR1747. The red arrow shows the motion of HR1747 during the next 1000 years (6.35 arcmin in Right Ascension and 0.97 arcmin in declination);

Key facts about HR1747


HR1747 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 1.4°
Azimuth: 237.9°
Direction: West-South-West

Celestial coordinates and finder chart of HR1747

HR1747 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 HR1747 are provided in the following table:

05h 18m 50s
-18° 07’ 47”

The simplified sky map below shows the position of HR1747 in the sky:

Finder chart HR1747 star
Simplified finder chart for HR1747.

Visibility of HR1747 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 HR1747 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: 108.1°
Max altitude: 20.4°
Azimuth: 251.9°

Distance of HR1747 from the Sun and relative movement

HR1747 is distant 81.28 light years from the Sun and it is moving far from the Sun at the speed of 40 kilometers per second.

24.93 pc
81.28 ly
40 km/s
0.381 arcsec/year
0.058 arcsec/year

Spectral properties of HR1747

HR1747 belongs to spectral class G0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR1747 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR1747. Attribution: Richard Powell / CC BY-SA

HR1747 star system properties

HR1747 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR1747 double sysyem:

46 arcsec

Alternative designations of HR1747