Your Guide to the Solar System and the Night Sky
This site is free and ad-free thanks to the support of our users. If you can, please consider a donation.
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:04  
clear_day Transit: 12:47  
SunsetSet: 18:30 south
sunny DaytimeWhat's Visible Now
All Constellations » Virgo » 


Altitude: 26.0°   Azimuth: 193.4°   Direction: South-South-West

HR4722 is a main-sequence star in the constellation of Virgo.

HR4722 visual magnitude is 5.95. Because of its reltive faintness, HR4722 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR4722:


HR4722 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 26.0°
Azimuth: 193.4°
Direction: South-South-West

Celestial coordinates and finder chart of HR4722

HR4722 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 HR4722 are provided in the following table:

12h 25m 11s
-11° 36’ 37”

The simplified sky map below shows the position of HR4722 in the sky:

Finder chart HR4722 star
Simplified finder chart for HR4722.

Visibility of HR4722 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 HR4722 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: 101.6°
Max altitude: 26.9°
Azimuth: 258.4°

Digitized Sky Survey image of HR4722

The image below is a photograph of HR4722 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR4722 is -0.065 arcsec per year in Right Ascension and -0.023 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4722 star
DSS2 image of HR4722. The red arrow shows the motion of HR4722 during the next 10000 years (-10.83 arcmin in Right Ascension and -3.83 arcmin in declination);

Distance of HR4722 from the Sun and relative movement

HR4722 is distant 210.46 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

64.56 pc
210.46 ly
-3 km/s
-0.065 arcsec/year
-0.023 arcsec/year

Spectral properties of HR4722

HR4722 belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR4722 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4722. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4722