John Payson Williston Observatory

The John Payson Williston Observatory is an astronomical observatory located at the highest point on the Mount Holyoke College campus. Constructed in 1881, the observatory is a modest building with a rare 8" Alvan Clark refractor telescope created just before his death in 1887. It is maintained and operated by the Mount Holyoke College Astronomy Department.

John Payson Williston Observatory

The Williston Observatory, circa 1945-1955
Organization	Mount Holyoke College
Location	Jewett Lane South Hadley, Massachusetts, United States
Coordinates	42°16′N 72°16′W
Altitude	231 feet
Weather	South Hadley Weather
Established	1881[1]
Website
Telescopes
Refractor telescope 8" Alvan Clark refractor telescope
Location of John Payson Williston Observatory

See also

• List of astronomical observatories