Cerro Murphy Observatory
Cerro Murphy Observatory (Spanish: Observatorio Cerro Murphy, OCM; Polish: Obserwatorium Cerro Murphy, OCM; German: Observatorium Cerro Murphy, OCM; full name since 2023 is Rolf Chini Cerro Murphy Observatory) is an international astrophysical project hosted by the ESO Paranal Observatory and operated by the Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences. The observatory is located on Cerro Murphy, which is a hill located 1 kilometre (0.62 miles) to the southwest and 230 metres (750 ft) below the summit of Cerro Armazones, a mountain in the Antofagasta Region of Chile, 120 km (75 mi) south of Antofagasta.