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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: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
sunny DaytimeWhat's Visible Now?
All Constellations » Leo » 


Altitude: -8.7°   Azimuth: 27.7°   Direction: North-North-East

HR4512 is a double giant star in the constellation of Leo.

HR4512 visual magnitude is 6.02. Because of its reltive faintness, HR4512 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 HR4512 is -0.014 arcsec per year in Right Ascension and 0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4512 star
DSS2 image of HR4512. The red arrow shows the motion of HR4512 during the next 10000 years (-2.33 arcmin in Right Ascension and 2.00 arcmin in declination);

Key facts about HR4512


HR4512 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -8.7°
Azimuth: 27.7°
Direction: North-North-East

Celestial coordinates and finder chart of HR4512

HR4512 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4512 are provided in the following table:

11h 44m 13s
+25° 13’ 05”

The simplified sky map below shows the position of HR4512 in the sky:

Finder chart HR4512 star
Simplified finder chart for HR4512.

Visibility of HR4512 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 HR4512 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: 64.8°
Max altitude: 63.7°
Azimuth: 295.2°

Distance of HR4512 from the Sun and relative movement

HR4512 is distant 928.77 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

284.90 pc
928.77 ly
-3 km/s
-0.014 arcsec/year
0.012 arcsec/year

Spectral properties of HR4512

HR4512 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR4512 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4512. Attribution: Richard Powell / CC BY-SA

HR4512 star system properties

HR4512 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 HR4512 double sysyem:

36.7 arcsec

Alternative designations of HR4512