July, 1st, 2017 : C. Twardzik participates to the "Midsummer night’s dream"
an open day at Côte d’Azur Observatory, Caussols.
July, 1st, 2017 : C. Twardzik participates to the "Midsummer night’s dream"
an open day at Côte d’Azur Observatory, Caussols.