Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:49  
clear_day Transit: 12:50  
SunsetSet: 18:50 south
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All Constellations » Ursa Major » 


Altitude: 25.4°   Azimuth: 359.0°   Direction: North

HR3722 is a giant star in the constellation of Ursa Major.

HR3722 visual magnitude is 6.28. Because of its reltive faintness, HR3722 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 HR3722:


HR3722 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 25.4°
Azimuth: 359.0°
Direction: North

Celestial coordinates and finder chart of HR3722

HR3722 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3722 are provided in the following table:

09h 25m 44s
+63° 56’ 26”
Ursa Major

The simplified sky map below shows the position of HR3722 in the sky:

Finder chart HR3722 star
Simplified finder chart for HR3722.

Visibility of HR3722 from your location

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

HR3722 is circumpolar and transits at 09:09 UTC (altitude: 77.5°)

Digitized Sky Survey image of HR3722

The image below is a photograph of HR3722 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 HR3722 is -0.008 arcsec per year in Right Ascension and -0.041 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3722 star
DSS2 image of HR3722. The red arrow shows the motion of HR3722 during the next 10000 years (-1.33 arcmin in Right Ascension and -6.83 arcmin in declination);

Distance of HR3722 from the Sun and relative movement

HR3722 is distant 808.93 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

248.14 pc
808.93 ly
7 km/s
-0.008 arcsec/year
-0.041 arcsec/year

Spectral properties of HR3722

HR3722 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 HR3722 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3722. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3722