A classic set of impressive UFO photos was taken by Mr. and Mrs. Trent in the early part of the evening, just before sunset, on May 11, 1950, near McMinnville, Oregon. According to the Trent's account the object, as it appeared over their farm was first seen by Ms. Trent while she was feeding the farm's rabbits.
She then quickly called her husband who got the family's camera and Mr. Trent then took two shots from positions only just a few feet apart. The pictures first appeared in a local newspaper and afterwards in Life magazine. Seventeen years later the photos were subjected to a detailed analysis for the University of Colorado UFO Project.
William K. Hartmann, an astronomer from the University of Arizona, performed a meticulous photometric and photogrammetric investigation of the original negatives, and set up a scaling system to determine the approximate distance of the UFO.
