Observe ursa-major in the sky in real time in 3D. You will also be able to see the planets of the solar system, the Sun and the Moon. Navigate freely in the sky by clicking on the keys to move forward or backward in time. Discover its position and display the azimuth grid to find your way in the sky. The « screen » feature allows you to take a picture of the sky and download the image.

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LUNDI 11 MAI 2026 À 18:10:18 UTC+2

Scene Notes

Observation of the Ursa Major constellation

Visualize in real time the position of the Ursa Major constellation in the sky.

Stars of the Ursa Major constellation

StarMagnitudeDistanceEquatorial position J2000Current Equatorial PositionCurrent Horizontal Position at MarseilleLink
Alioth1.7782.6 light yearsRight ascension :
12ʰ54ᵐ1.75ˢ
Declination : 55°57'1.75″		Right ascension :
12ʰ55ᵐ13.3679911371ˢ
Declination :
55°49′11.0409897527″		Azimut :
-133.12591215778684°
Altitude :
41.57259953072666°
Dubhe1.79123 light yearsRight ascension :
11ʰ3ᵐ43.672ˢ
Declination : 61°45'43.672″		Right ascension :
11ʰ5ᵐ22.7456436091ˢ
Declination :
61°36′36.8285406594″		Azimut :
-139.92563540519083°
Altitude :
56.16786361129955°
Mizar2.2382.9 light yearsRight ascension :
13ʰ23ᵐ55.54ˢ
Declination : 54°55'55.54″		Right ascension :
13ʰ25ᵐ1.426533741ˢ
Declination :
54°47′24.896663359″		Azimut :
-133.92913877314305°
Altitude :
37.255364713433785°
Alkaid1.86103.9 light yearsRight ascension :
13ʰ47ᵐ32.438ˢ
Declination : 49°18'32.438″		Right ascension :
13ʰ48ᵐ37.5253222351ˢ
Declination :
49°10′50.1847599005″		Azimut :
-130.0120547528127°
Altitude :
31.4104079948551°
Merak2.3779.7 light yearsRight ascension :
11ʰ1ᵐ50.477ˢ
Declination : 56°22'50.477″		Right ascension :
11ʰ3ᵐ26.7342228829ˢ
Declination :
56°14′41.101186772″		Azimut :
-130.27795062096817°
Altitude :
56.97610739284123°
Phecda2.4483.2 light yearsRight ascension :
11ʰ53ᵐ49.847ˢ
Declination : 53°41'49.847″		Right ascension :
11ʰ55ᵐ14.4029272567ˢ
Declination :
53°33′5.8944057376″		Azimut :
-126.81261161394112°
Altitude :
49.34798593437322°
Megrez3.3180.5 light yearsRight ascension :
12ʰ15ᵐ25.56ˢ
Declination : 57°1'25.56″		Right ascension :
12ʰ16ᵐ45.53425332ˢ
Declination :
56°53′22.6690375766″		Azimut :
-132.6179361308301°
Altitude :
46.989696743092466°