Participants of the AEACI 2022 course at the Gran Telescopio Canarias (GTC or Grantecan), located at the Roque de los Muchachos Observatory (Garafía, La Palma).
Students of the Colegio Santo Domingo de Guzmán during the visit to the Gran Telescopio Canarias (GTC) of the programme "Nuestros Alumnos y el ORM" (Our Students and the ORM)
