Project 10073 Record Card — Egg Harbor, Wisconsin, 24 September 1957

This document consists of a Project 10073 record card and associated military teletype correspondence regarding a UFO sighting in Egg Harbor, Wisconsin, on September 24, 1957. The incident involved a group of children who observed a large object that appeared like a star, low on the horizon in the northwest. The object was reported to have changed colors, specifically shifting between red, white, and blue. The observation lasted for approximately 30 minutes. The report was processed by the 676th ACWRON and forwarded to the Air Technical Intelligence Center (ATIC) at Wright-Patterson Air Force Base. Military intelligence personnel conducted an astronomical analysis of the sighting. By plotting the time, location, and bearing of the observation, investigators concluded that the object was the star Arcturus, which was positioned in the exact location described by the witnesses. The report confirms that no radar contact was made and no photographs were taken. The case was officially closed with the determination that the sighting was an astronomical event.