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Faceted archive of NUFORC reports — filter by shape, place, and decade. Every URL is deterministic SSR (cacheable at the edge).
Detroit · MI, USA
An amateur astronomer in Detroit, Michigan reported observing a large circular object through a telescope that appeared to have markings on its surface, lasting about 45 minutes, 1964.
Oscoda · MI, USA
A witness in Oscoda, Michigan reported circular objects seen repeatedly in the sky, describing a February 1964 sighting that lasted about five minutes.