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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:16
sunny   (Daytime)   What's Visible Now?


Above the horizon.  Rise: 9:02 | Tran: 19:23 | Set: 5:48
Altitude: 63.7°   Azimuth: 114.2°   Direction: East-South-East

HR4593 is a hypergiant star of spectral class K0 in the constellation of Ursa Major.

HR4593 visual magnitude is 5.59. Because of its faintness, HR4593 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of HR4593

Finder chart HR4593 star
Simplified finder chart for 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
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);

Key facts about HR4593


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

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

Alternative designations of HR4593


Visibility of HR4593 from your location

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

Azimuth: 54.0°
Max altitude: 74.6°
Azimuth: 306.0°