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announcedArts & MediaChecked 2026-08-24

Theodore Jacobsen Observatory Open House

University of Washington Campus Calendar

Welcome Welcome to the web page of the public events program at the Theodor Jacobsen Observatory (TJO) of the University of Washington. Come and join us for open houses where we offer a view through our 1895 telescope on clear dark nights. In addition, enjoy evening talks and other activities during your visit for people of all ages, from 6 to 100. Tickets are free. Programs normally take place at the observatory on the first and third Tuesday evenings of April through September, rain or shine. The staff are entirely volunteers, including undergraduates from the “League of Astronomers” within the Astronomy Department as well as members of the Seattle Astronomical Society (under the auspices

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