Observe Asellus Borealis 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.

VENDREDI 14 AOÛT 2026 À 05:08 UTC+2

Observation of Asellus Borealis

Visualize in real time the position of Asellus Borealis in the sky.

StarMagnitudeDistanceEquatorial position J2000Current Equatorial PositionCurrent Horizontal Position at Marseille
Asellus Borealis4.652181 light yearsRight ascension :
8ʰ43ᵐ17.148ˢ
Declination : 21°28'17.148″		Right ascension :
8ʰ44ᵐ48.9241998752ˢ
Declination :
21°22′21.9723759455″		Azimut :
-123.21886660279678°
Altitude :
-2.825345107189866°
See Cancer constellation