Observation of the star Alpha Ophiuchi (Rasalhague) in real-time from Tokyo

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LUNDI 2 MARS 2026 À 20:11:00 UTC+9

Alpha Ophiuchi (Rasalhague)

Magnitude : 2.08


  • Distance48.6 années lumière
  • Ascension droite J200017h 34m 56.069s
  • Déclinaison J200012° 33m 36.13s
  • Mouvement propre108.07 mas/an
    -221.57 mas/an
  • Azimut-150.68544174914226°
  • Altitude-36.83141001151608°

Alpha Ophiuchi (Rasalhague)

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

StarMagnitudeDistanceEquatorial position J2000Current Equatorial Position*Current Horizontal Position at Tokyo
Alpha Ophiuchi (Rasalhague)2.0848.6 light yearRight ascension :
17ʰ34ᵐ56.069ˢ
Declination : 12°33'56.069″
Right ascension :
17ʰ36ᵐ8.5638553675ˢ
Declination :
12°32′22.0079203389″
Azimuth :
-150.68544174914226°
Altitude :
-36.83141001151608°