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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: 7:51  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
sunny DaytimeWhat's Visible Now?
All Constellations » Ursa Major » 


Altitude: 47.6°   Azimuth: 294.1°   Direction: West-North-West

HR3603 is a bright giant star in the constellation of Ursa Major.

HR3603 visual magnitude is 5.95. Because of its reltive faintness, HR3603 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 HR3603:

Bright giant

HR3603 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 47.6°
Azimuth: 294.1°
Direction: West-North-West

Celestial coordinates and finder chart of HR3603

HR3603 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 HR3603 are provided in the following table:

09h 05m 24s
+48° 31’ 49”
Ursa Major

The simplified sky map below shows the position of HR3603 in the sky:

Finder chart HR3603 star
Simplified finder chart for HR3603.

Visibility of HR3603 from your location

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

HR3603 is circumpolar and transits at 03:54 UTC (altitude: 87.1°)

Digitized Sky Survey image of HR3603

The image below is a photograph of HR3603 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 HR3603 is -0.012 arcsec per year in Right Ascension and -0.016 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3603 star
DSS2 image of HR3603. The red arrow shows the motion of HR3603 during the next 10000 years (-2.00 arcmin in Right Ascension and -2.67 arcmin in declination);

Distance of HR3603 from the Sun and relative movement

HR3603 is distant 347.92 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

106.72 pc
347.92 ly
-6 km/s
-0.012 arcsec/year
-0.016 arcsec/year

Spectral properties of HR3603

HR3603 belongs to spectral class F6 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where HR3603 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3603. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3603