McMath–Hulbert Observatory - Credit: Wikimedia Commons
McMath–Hulbert Observatory - Credit: Wikimedia Commons
The McMath-Hulbert Solar Observatory is a solar observatory in Lake Angelus, Michigan, USA. It was established in 1929 as a private observatory by father and son Francis Charles McMath and Robert Raynolds McMath and their friend, Judge Henry Hulbert. In 1932 the observatory was deeded to the University of Michigan which operated it until 1981, at which time it was sold into private ownership again. Read more on Wikipedia
Source: en.wikipedia.org