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public LocationGreenwich, UK
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:17
sunny   (Daytime)   What's Visible Now?


Above the horizon.  Rise: 7:59 | Tran: 18:36 | Set: 5:17
Altitude: 73.6°   Azimuth: 210.9°   Direction: South-South-West

HR4452 is a hypergiant star of spectral class K0 in the constellation of Ursa Major.

HR4452 visual magnitude is 6.4. Because of its faintness, HR4452 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 HR4452

Finder chart HR4452 star
Simplified finder chart for HR4452.

HR4452 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 HR4452 are provided in the following table:

11h 33m 56s
+36° 48’ 56”
Ursa Major
Image of HR4452 star
DSS2 image of HR4452. The red arrow shows the motion of HR4452 during the next 1000 years (-2.15 arcmin in Right Ascension and -0.77 arcmin in declination);

Key facts about HR4452


and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR4452 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4452. Attribution: Richard Powell / CC BY-SA

Distance of HR4452 from the Sun and relative movement

HR4452 is distant 424.48 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

130.21 pc
424.48 ly
18 km/s
-0.129 arcsec/year
-0.046 arcsec/year

Alternative designations of HR4452


Visibility of HR4452 from your location

Today's HR4452 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 53.2°
Max altitude: 75.3°
Azimuth: 306.8°