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 24-inch Ritchey-Chretien reflector optical telescope. 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	South Hadley, Massachusetts, United States
Coordinates	42°15′21.83″N 72°15′21.83″W
Altitude	231 feet
Weather	South Hadley Weather
Established	1881[1]
Website
Telescopes
24-inch Ritchey-Chretien reflector 8-inch Meade LX-200 Schmidt-Cassegrain telescopes
Location of John Payson Williston Observatory
[edit on Wikidata]

See also

• List of astronomical observatories

References

External links

• Williston Observatory
• Mount Holyoke College Astronomy Department

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