Observation of the star Castor in real-time from Lyon

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LIVE

LUNDI 2 MARS 2026 À 10:09:24 UTC+1

Castor

Magnitude : 1.92


  • Distance51 années lumière
  • Ascension droite J20007h 34m 35.873s
  • Déclinaison J200031° 53m 17.82s
  • Mouvement propre-191.45 mas/an
    -145.19 mas/an
  • Azimut-172.79080157478631°
  • Altitude-12.0564700967293°

Castor

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

StarMagnitudeDistanceEquatorial position J2000Current Equatorial Position*Current Horizontal Position at Lyon
Castor1.9251 light yearRight ascension :
7ʰ34ᵐ35.873ˢ
Declination : 31°53'35.873″
Right ascension :
7ʰ36ᵐ17.6553653487ˢ
Declination :
31°49′47.787835567″
Azimuth :
-172.79080157478631°
Altitude :
-12.0564700967293°