Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Canes Venatici Hevelius, 1690 - CVn
           123344.5+412127 (Star system) β Canum Venaticorum - Chara
           125600.4+381853 (Star) α¹ Canum Venaticorum
           125601.7+381906 (Star) α² Canum Venaticorum - Cor Caroli
           1342.2+2823 (Globular cluster) M3