Astronomical Observatory of Mallorca
The Astronomical Observatory of Mallorca (Spanish: Observatorio Astronómico de Mallorca, OAM) is an observatory just south of Costitx, Mallorca, Spain. The observatory was inaugurated in May 1991 and was the first astronomical center in the Balearic Islands autonomous community and province of Spain.
Source: Wikipedia — Astronomical Observatory of Mallorca (CC BY-SA 4.0)