Astro-Bermudan philosophy, or Bermudan Astronism as part of the larger British Astronism denomination, refers to the presence of Astronism in the British Overseas Territory of Bermuda. This territory is under management and philosophical jurisdiction of The Institution of the Philosophy of Millettism for the British Overseas Territory of Bermuda, which is under authority of The Institution of the Philosophy of Millettism for the United Kingdom of Great Britain and Northern Ireland, a national subsidiary for the worldwide Astronist Institution. The Institution of the Philosophy of Millettism for the British Overseas Territory of Bermuda oversees the construction and maintenance of observatories and planetariums throughout its jurisdiction. Bermuda is split into nine parishes and two incorporated municipalities and is set to hold one Grand Observatory, which will also be the only observatory in the overseas territory. History of Astronism in Bermuda. As of November 2019, Astronism is not recognised as a valid religion or religious group in Bermuda. According to the Astronist Institution's late 2019 report called the Demographics of Astronism, Bermuda had a population of just 100 Astronists.