Observatories
First Observatory
- Location: Dunkirk, New York
- Construction Began: 1897
- Benefactor: Charles Ezra Hequembourg
- Telescope Mounted: 1897, German equatorial
- First Telescope: George N. Saegmuller 9-inch refractor, 117-inch focal length
- First Light: 1897?
- Dome Material: bronze
- Directors:
- Charles Ezra Hequembourg, private owner (1897-1907)
- Mrs. Hequembourg, private owner (1907-1914)
Second Observatory
- Location: Alliance, Ohio
- Construction Began: 1923
- Benefactor: Elmer Harrold
- Telescope Mounted: ?
- First Telescope: George N. Saegmuller 9-inch refractor, 117-inch focal length, moved from New York
- Directors:
- Elmer Harrold, private owner (1917-1919), donated to Mount Union College
Third Observatory
- Location: Alliance, Ohio
- Construction Began: 1969
- Refinished: 1952, by the Alliance Tool Company
- Telescope Mounted: 1969
- First Telescope: 9-inch Saegmuller, refurbished with 8.5-inch lens with 135-inch focal length by J. W. Fecker Company of Pittsburgh.
- Directors:
- James P. Rodman
Read more about this topic: Clarke Observatory