Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Horologium de Lacaille, 1763 - Hor
           022453.9-601843 (Star) λ Horologii
           023724.4-523235 (Star) η Horologii
           024039.6-543300 (Star) ζ Horologii
           024233.5-504801 (Star) ι Horologii
           024527.5-634216 (Star system) γ Horologii
           024901.5-624824 (Star) ν Horologii
           025847.8-640417 (Star) β Horologii
           030336.8-594416 (Star) μ Horologii
           041050.6-415937 (Star) δ Horologii
           041400.1-421740 (Star) α Horologii