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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: 6:44  
clear_day Transit: 12:10  
SunsetSet: 17:38
sleep NighttimeWhat's Visible Now?
All Constellations » Leo » 


Altitude: 60.2°   Azimuth: 215.0°   Direction: South-West

HR3723 is a sub-giant star in the constellation of Leo.

HR3723 visual magnitude is 6.41. Because of its reltive faintness, HR3723 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 HR3723 is -0.121 arcsec per year in Right Ascension and 0.005 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR3723 star
DSS2 image of HR3723. The red arrow shows the motion of HR3723 during the next 1000 years (-2.02 arcmin in Right Ascension and 0.08 arcmin in declination);

Key facts about HR3723


HR3723 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 60.2°
Azimuth: 215.0°
Direction: South-West

Celestial coordinates and finder chart of HR3723

HR3723 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 HR3723 are provided in the following table:

09h 23m 31s
+25° 10’ 59”

The simplified sky map below shows the position of HR3723 in the sky:

Finder chart HR3723 star
Simplified finder chart for HR3723.

Visibility of HR3723 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 HR3723 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 HR3723 from the Sun and relative movement

HR3723 is distant 679.17 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

208.33 pc
679.17 ly
-1 km/s
-0.121 arcsec/year
0.005 arcsec/year

Spectral properties of HR3723

HR3723 belongs to spectral class G5 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR3723 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3723. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3723