Williston Observatory

The John Payson Williston Observatory is the oldest academic building on campus. Originally built in 1881 and continuously upgraded over the years, it remains a state-of-the-art facility.

Williston Observatory
Williston Observatory

The John Payson Williston Observatory is the oldest academic building on campus. Originally built in 1881 and continuously upgraded over the years, it remains a state-of-the-art facility.

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Recent Events

Observatory Open House

Fri, Oct 21, 2022 8pm to 10pm

This is a past event.

Mount Holyoke College astronomy students welcome you to the oldest academic building on campus and to look through the school's various telescopes! Faculty and current astronomy majors will be...

Williston Observatory

Stargazing at the Observatory Reunion II

Fri, May 27, 2022 9pm to 10pm

This is a past event.

The John Payson Williston Observatory is the oldest academic building on campus. Originally built in 1881 and continuously upgraded over the years, it remains a state-of-the-art facility. Join Tom...

Williston Observatory, Observatory

Stargazing at the Observatory Reunion I

Fri, May 20, 2022 9pm to 10pm

This is a past event.

The John Payson Williston Observatory is the oldest academic building on campus. Originally built in 1881 and continuously upgraded over the years, it remains a state-of-the-art facility. Join Tom...

Williston Observatory, Observatory

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