Search for "obs"

• 
  Meudon Observatory Solar...

  France | Île-de-Fran | Meudon, Pa
• 
  The Coelostat Solar Obse...

  France | Île-de-Fran | Meudon, Pa
• 
  Côte d'Azur Observatory

  France | Provence-A | Caussols,

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