Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Musca Bayer, 1603 - Mus
           114536.4-664343 (Star system) λ Muscae
           114814.3-664853 (Star) μ Muscae
           121734.1-675739 (Star) ε Muscae
           122207.3-673119 (Star system) ζ² Muscae
           122211.9-681827 (Star) ζ¹ Muscae
           123228.0-720759 (Star) γ Muscae
           123711.0-690808 (Star system) α Muscae
           124616.9-680629 (Star system) β Muscae
           130216.2-713256 (Star) δ Muscae
           130807.0-651823 (Star system) θ Muscae
           131514.9-675340 (Star system) η Muscae
           132507.1-745316 (Star) ι¹ Muscae
           132718.3-744131 (Star) ι² Muscae