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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
north SunriseRise: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Virgo » 


Altitude: -37.2°   Azimuth: 333.1°   Direction: North-North-West

HR4591 is a giant star in the constellation of Virgo.

HR4591 visual magnitude is 6.31. Because of its reltive faintness, HR4591 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 HR4591:


HR4591 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -37.2°
Azimuth: 333.1°
Direction: North-North-West

Celestial coordinates and finder chart of HR4591

HR4591 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 HR4591 are provided in the following table:

12h 01m 01s
-01° 46’ 05”

The simplified sky map below shows the position of HR4591 in the sky:

Finder chart HR4591 star
Simplified finder chart for HR4591.

Visibility of HR4591 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 HR4591 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: 91.8°
Max altitude: 36.8°
Azimuth: 268.2°

Digitized Sky Survey image of HR4591

The image below is a photograph of HR4591 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 HR4591 is -0.015 arcsec per year in Right Ascension and -0.07 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4591 star
DSS2 image of HR4591. The red arrow shows the motion of HR4591 during the next 10000 years (-2.50 arcmin in Right Ascension and -11.67 arcmin in declination);

Distance of HR4591 from the Sun and relative movement

HR4591 is distant 613.94 light years from the Sun and it is moving far from the Sun at the speed of 36 kilometers per second.

188.32 pc
613.94 ly
36 km/s
-0.015 arcsec/year
-0.07 arcsec/year

Spectral properties of HR4591

HR4591 belongs to spectral class G8


The red dot in the diagram below shows where HR4591 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4591. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4591