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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
SunriseRise: 6:48  
clear_day Transit: 12:11  
SunsetSet: 17:34
sunny DaytimeWhat's Visible Now?
All Constellations » Ursa Major » 


Altitude: 9.4°   Azimuth: 12.9°   Direction: North-North-East

HR4430 is a variable giant star in the constellation of Ursa Major.

HR4430 visual magnitude is 6.35. Because of its reltive faintness, HR4430 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR4430 is 0.011 arcsec per year in Right Ascension and 0.032 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4430 star
DSS2 image of HR4430. The red arrow shows the motion of HR4430 during the next 10000 years (1.83 arcmin in Right Ascension and 5.33 arcmin in declination);

Key facts about HR4430


HR4430 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 9.4°
Azimuth: 12.9°
Direction: North-North-East

Celestial coordinates and finder chart of HR4430

HR4430 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 HR4430 are provided in the following table:

11h 30m 24s
+46° 39’ 26”
Ursa Major

The simplified sky map below shows the position of HR4430 in the sky:

Finder chart HR4430 star
Simplified finder chart for HR4430.

Visibility of HR4430 from your location

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

HR4430 is circumpolar and transits at 01:00 UTC (altitude: 85.2°)

Distance of HR4430 from the Sun and relative movement

HR4430 is distant 984.89 light years from the Sun and it is moving far from the Sun at the speed of 27 kilometers per second.

302.11 pc
984.89 ly
27 km/s
0.011 arcsec/year
0.032 arcsec/year

Spectral properties of HR4430

HR4430 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR4430 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4430. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4430