nocturnal light (type of UFO)
A nocturnal light is one of the 6 categories of unidentified
flying object (UFO) in the classification scheme devised by J. Allen Hynek in the 1950s. Defined as any light or
lights in the night sky that cannot be explained in terms of aircraft, astronomical
objects, or any other familiar luminous source.
|Image from footage of a UFO taken by a BBC cameraman
in July 2003 over Hanbury, Worcestershire, England. For more, go here (BBC)