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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: 6:57  
clear_day Transit: 12:11  
SunsetSet: 17:27
sunny DaytimeWhat's Visible Now?
All Constellations » Lepus » 


Altitude: -21.5°   Azimuth: 99.5°   Direction: East

HR2180 is a hypergiant star in the constellation of Lepus.

HR2180 visual magnitude is 5.5. Because of its reltive faintness, HR2180 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 HR2180 is 0.002 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 HR2180 star
DSS2 image of HR2180. The red arrow shows the motion of HR2180 during the next 10000 years (0.33 arcmin in Right Ascension and -6.50 arcmin in declination);

Key facts about HR2180


HR2180 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -21.5°
Azimuth: 99.5°
Direction: East

Celestial coordinates and finder chart of HR2180

HR2180 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 HR2180 are provided in the following table:

06h 08m 57s
-22° 25’ 38”

The simplified sky map below shows the position of HR2180 in the sky:

Finder chart HR2180 star
Simplified finder chart for HR2180.

Visibility of HR2180 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 HR2180 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: 112.4°
Max altitude: 16.1°
Azimuth: 247.6°

Distance of HR2180 from the Sun and relative movement

HR2180 is distant 255.29 light years from the Sun and it is moving far from the Sun at the speed of 44 kilometers per second.

78.31 pc
255.29 ly
44 km/s
0.002 arcsec/year
-0.039 arcsec/year

Spectral properties of HR2180

HR2180 belongs to spectral class A0 and has a luminosity class of IV corresponding to a hypergiant star.


The red dot in the diagram below shows where HR2180 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR2180. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2180