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Theodore Jacobsen Observatory Open House

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 of the UW Astronomy Department). TJO Evening Public Events Sky viewing is the main event of the evening. However, nightfall comes late. So doors open at 8 or 9 PM from April through September (see below for dates and times) while the sky is still light. The first major event of the evening is a public talk by students… Event interval: Single day event. Campus location: Theodor Jacobsen Observatory (OBS). Accessibility Contact: Liza Young. Event Types: Information Sessions. Special Events. Event sponsors: Department of Astronomy. Target Audience: Public. Tuesday, July 7, 2026, 9:00 PM – 11:00 PM. For more info visit astro.washington.edu.

Tobin Wainer Final Exam

Event interval: Single day event. Campus location: Physics-Astronomy Auditorium (PAA). Campus room: PAA A114. Accessibility Contact: Liza Young. Event Types: Academics. Friday, July 17, 2026, 1:00 PM – 2:00 PM.

Theodore Jacobsen Observatory Open House

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 of the UW Astronomy Department). TJO Evening Public Events Sky viewing is the main event of the evening. However, nightfall comes late. So doors open at 8 or 9 PM from April through September (see below for dates and times) while the sky is still light. The first major event of the evening is a public talk by students… Event interval: Single day event. Campus location: Theodor Jacobsen Observatory (OBS). Accessibility Contact: Liza Young. Event Types: Information Sessions. Special Events. Event sponsors: Department of Astronomy. Target Audience: Public. Tuesday, July 21, 2026, 9:00 PM – 11:00 PM. For more info visit astro.washington.edu.

Theodore Jacobsen Observatory Open House

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 of the UW Astronomy Department). TJO Evening Public Events Sky viewing is the main event of the evening. However, nightfall comes late. So doors open at 8 or 9 PM from April through September (see below for dates and times) while the sky is still light. The first major event of the evening is a public talk by students… Event interval: Single day event. Campus location: Theodor Jacobsen Observatory (OBS). Accessibility Contact: Liza Young. Event Types: Information Sessions. Special Events. Event sponsors: Department of Astronomy. Target Audience: Public. Tuesday, August 4, 2026, 9:00 PM – 11:00 PM. For more info visit astro.washington.edu.

Theodore Jacobsen Observatory Open House

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 of the UW Astronomy Department). TJO Evening Public Events Sky viewing is the main event of the evening. However, nightfall comes late. So doors open at 8 or 9 PM from April through September (see below for dates and times) while the sky is still light. The first major event of the evening is a public talk by students… Event interval: Single day event. Campus location: Theodor Jacobsen Observatory (OBS). Accessibility Contact: Liza Young. Event Types: Information Sessions. Special Events. Event sponsors: Department of Astronomy. Target Audience: Public. Tuesday, August 18, 2026, 9:00 PM – 11:00 PM. For more info visit astro.washington.edu.

Theodore Jacobsen Observatory Open House

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 of the UW Astronomy Department). TJO Evening Public Events Sky viewing is the main event of the evening. However, nightfall comes late. So doors open at 8 or 9 PM from April through September (see below for dates and times) while the sky is still light. The first major event of the evening is a public talk by students… Event interval: Single day event. Campus location: Theodor Jacobsen Observatory (OBS). Accessibility Contact: Liza Young. Event Types: Information Sessions. Special Events. Event sponsors: Department of Astronomy. Target Audience: Public. Tuesday, September 1, 2026, 9:00 PM – 11:00 PM. For more info visit astro.washington.edu.

Astrofest 2026 9/14 and 9/15

Event interval: Single day event. Campus location: Theodor Jacobsen Observatory (OBS). Accessibility Contact: Liza Young. Event Types: Academics. Information Sessions. Lectures/Seminars. Special Events. Monday, September 14, 2026 – Tuesday, September 15, 2026.

Theodore Jacobsen Observatory Open House

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 of the UW Astronomy Department). TJO Evening Public Events Sky viewing is the main event of the evening. However, nightfall comes late. So doors open at 8 or 9 PM from April through September (see below for dates and times) while the sky is still light. The first major event of the evening is a public talk by students… Event interval: Single day event. Campus location: Theodor Jacobsen Observatory (OBS). Accessibility Contact: Liza Young. Event Types: Information Sessions. Special Events. Event sponsors: Department of Astronomy. Target Audience: Public. Tuesday, September 15, 2026, 9:00 PM – 11:00 PM. For more info visit astro.washington.edu.