Michigan "swamp gas" sightings

20 March 1966 · Dexter and Hillsdale, Michigan · Mass sighting
EXPLAINED
Mundane explanation widely accepted or officially assessed
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On March 20, 1966, Frank Mannor and his son near Dexter said they walked toward a glowing, football-shaped object hovering over a swamp. About a dozen police officers reported lights. The next night 87 women at Hillsdale College watched a light hover over the campus arboretum for hours. Congressman Gerald Ford called for hearings, which led to the Condon Committee.

Explanation

J. Allen Hynek, the Air Force's scientific consultant, suggested that burning marsh gas might explain some of the lights over the swamps, and Blue Book filed the flap as "marsh gas". The explanation was widely ridiculed. Hynek later said he regretted how it was presented.

What was seen

Shape: Football-shaped object with lights; glowing lights over a swamp
Witnesses: Farm family, a dozen police officers, 87 college students
Duration: Two nights

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