Perm unidentified-object report — August 5, 1967

At 8:50 p.m. on August 5, 1967 at Perm, Russia, Y.G. Solovyev, his wife and his son observed a ring-shaped object flying across the sky. An airliner flying at an altitude of 1,200 feet would have fit inside this ring. It was observed for over ten minutes in the western part of the sky.