Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]


HR4593 is a hypergiant star in the constellation of Ursa Major.

HR4593 visual magnitude is 5.59. Because of its reltive faintness, HR4593 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 HR4593:

HR4593 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 36°.

Celestial coordinates and finder chart of HR4593

HR4593 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 HR4593 are provided in the following table:

12h 01m 39s
+36° 02’ 30”
Ursa Major

The simplified sky map below shows the position of HR4593 in the sky:

Finder chart HR4593 star
Simplified finder chart for HR4593.

Visibility of HR4593 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR4593 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 54.0°
Max altitude: 74.6°
Azimuth: 306.0°
HR4593 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4593

The image below is a photograph of HR4593 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 HR4593 is -0.091 arcsec per year in Right Ascension and -0.081 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4593 star
DSS2 image of HR4593. The red arrow shows the motion of HR4593 during the next 1000 years (-1.52 arcmin in Right Ascension and -1.35 arcmin in declination);

Distance of HR4593 from the Sun and relative movement

HR4593 is distant 361.82 light years from the Sun and it is moving far from the Sun at the speed of 30 kilometers per second.

110.99 pc
361.82 ly
30 km/s
-0.091 arcsec/year
-0.081 arcsec/year

Spectral properties of HR4593

HR4593 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR4593 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4593. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4593