pp. 22–24. 15 February 2018閲覧。 ^ a b c d e f The Great Shefford Observatory. “MPC listed Observatories in Central and South Eastern England”. 30 January
Kvistaberg - L ロケ・デ・ロス・ムチャーチョス天文台 39 950 - La Palma - Network of European Observatories in the North 1 J50 - La Palma-NEON - La Plata Observatory 5 839 enwiki