Page "David Dunlap Observatory" Paragraph 21

While University operations continued at the DDO, international observers used about 50 % of observing time there.

In 2007, the telescope was used by astronomers from Ege University in Turkey, the Slovak Academy of Sciences in Slovakia, University of Valencia in Spain, Tartu Observatory in Estonia, and the University of Wrocław and Pedagogical University of Cracow in Poland.