Observation of the star Asellus Borealis in real-time from Lyon

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LUNDI 2 MARS 2026 À 08:45:21 UTC+1

Asellus Borealis

Magnitude : 4.652


  • Distance181 années lumière
  • Ascension droite J20008h 43m 17.148s
  • Déclinaison J200021° 28m 6.6s
  • Mouvement propre-103.51 mas/an
    -39.48 mas/an
  • Azimut150.85587840163475°
  • Altitude-17.594497124131454°

Asellus Borealis

* application of precession, nutation, proper motion and aberration of light.

StarMagnitudeDistanceEquatorial position J2000Current Equatorial Position*Current Horizontal Position at Lyon
Asellus Borealis4.652181 light yearRight ascension :
8ʰ43ᵐ17.148ˢ
Declination : 21°28'17.148″
Right ascension :
8ʰ44ᵐ49.7204058209ˢ
Declination :
21°22′20.7887594265″
Azimuth :
150.85587840163475°
Altitude :
-17.594497124131454°