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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: 7:45  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
sleep NighttimeWhat's Visible Now?
All Constellations » Ursa Major » 


Altitude: 28.6°   Azimuth: 13.6°   Direction: North-North-East

HR3859 is a main-sequence star in the constellation of Ursa Major.

HR3859 visual magnitude is 6.17. Because of its reltive faintness, HR3859 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 HR3859:


HR3859 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 28.6°
Azimuth: 13.6°
Direction: North-North-East

Celestial coordinates and finder chart of HR3859

HR3859 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 HR3859 are provided in the following table:

09h 44m 36s
+64° 59’ 02”
Ursa Major

The simplified sky map below shows the position of HR3859 in the sky:

Finder chart HR3859 star
Simplified finder chart for HR3859.

Visibility of HR3859 from your location

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

HR3859 is circumpolar and transits at 04:53 UTC (altitude: 76.5°)

Digitized Sky Survey image of HR3859

The image below is a photograph of HR3859 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 HR3859 is -0.049 arcsec per year in Right Ascension and 0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3859 star
DSS2 image of HR3859. The red arrow shows the motion of HR3859 during the next 10000 years (-8.17 arcmin in Right Ascension and 2.00 arcmin in declination);

Distance of HR3859 from the Sun and relative movement

HR3859 is distant 350.91 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

107.64 pc
350.91 ly
-28 km/s
-0.049 arcsec/year
0.012 arcsec/year

Spectral properties of HR3859

HR3859 belongs to spectral class F3 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR3859 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3859. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3859