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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: 6:59  
clear_day Transit: 12:12  
SunsetSet: 17:25
sleep NighttimeWhat's Visible Now?
All Constellations » Lepus » 


Altitude: -6.3°   Azimuth: 246.1°   Direction: West-South-West

HR1812 is a double main-sequence star in the constellation of Lepus.

HR1812 visual magnitude is 5.89. Because of its reltive faintness, HR1812 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 HR1812 is 0.004 arcsec per year in Right Ascension and -0.022 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1812 star
DSS2 image of HR1812. The red arrow shows the motion of HR1812 during the next 10000 years (0.67 arcmin in Right Ascension and -3.67 arcmin in declination);

Key facts about HR1812


HR1812 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -6.3°
Azimuth: 246.1°
Direction: West-South-West

Celestial coordinates and finder chart of HR1812

HR1812 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 HR1812 are provided in the following table:

05h 25m 59s
-19° 41’ 44”

The simplified sky map below shows the position of HR1812 in the sky:

Finder chart HR1812 star
Simplified finder chart for HR1812.

Visibility of HR1812 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 HR1812 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: 109.7°
Max altitude: 18.8°
Azimuth: 250.3°

Distance of HR1812 from the Sun and relative movement

HR1812 is distant 140.28 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

43.03 pc
140.28 ly
6 km/s
0.004 arcsec/year
-0.022 arcsec/year

Spectral properties of HR1812

HR1812 belongs to spectral class F2 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR1812 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR1812. Attribution: Richard Powell / CC BY-SA

HR1812 star system properties

HR1812 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR1812 double sysyem:

27 arcsec

Alternative designations of HR1812