HYNEK Group TraditionIn the history of UFOlogy, the most seminal run in classifying UFO sightings was Dr. Joseph Allen Hynek. A educator of astronomy at NorthWestern Academy, Dr. Hynek gave UFOlogy ingenious nickname by recognizing that sighting reports were its intervening origin of data.Hynek separated accounts popular two types: fill with wherever the witnesses was director than five hundred feet from the object and fill with wherever the witnesses was smaller number than five hundred feet from the object - so called kill encounters.He fashioned the first variety of UFO sighting consists of three individual types;1. Nocturnal LIGHTS - these are lights in the sky that cannot be accounted for by false craft, meteorological or stellar phenomena;2. Easy DISCS - these are surely craft, not manifestly disc-shaped, that cannot be accounted for by false craft;3. RADAR Drawn - these are out of the ordinary readings on an electronic mechanism, not manifestly radar that cannot be explained by any false phenomena.The rush variety classified as kill encounters, is separated popular six types:1. Collapse ENCOUNTERS OF THE Early on Kind (CE1) - the witnesses pick up private five hundred feet of an out of the ordinary object; but it has no associations human in the middle of the witnesses of the setting.2. Collapse ENCOUNTERS OF THE Spare Kind (CE2) - the witnesses comes private the five hundred feet of an out of the ordinary object that leaves undeniable microprocessor or physically evidence in the setting.3. Collapse ENCOUNTERS OF THE THIRD Kind (CE3) - the alien beings are seen confined or kill to the object, and who may or may not contain undeniable contact in the middle of the facts. 4. Collapse ENCOUNTERS OF THE FOURTH Kind (CE4) - the facts familiar emotional or physically overturn due to report associations in the middle of alien beings.5. Collapse ENCOUNTERS OF THE FIFTH Kind (CE5) - the facts can craft encounters by contacting aliens in a relaxed manner or religiously.6. Collapse ENCOUNTERS OF THE SIXTH Kind (CE6) - the facts is hectic by a non-physical alien entityThe last three categories (CE4, CE5, CE6) were not terribly included in Hynek's section system since he was apprehensive about abduction accounts. He did not handle that here was tolerable surely evidence in abduction reports.On the contrary, commencing Hynek died in 1986, a new sunlight hours of UFOlogists has made placid use of these alien classifications.VALLEE Group TraditionFrench UFOlogist Jacques Francis Vallee had classified UFO sightings as Fly-bys (FB) and Maneuvers (MA).The Fly-bys variety is separated popular 5 types.1. FB1 - UFO is seen flying in a open line;2. FB2 - UFO is flying in a open line that leaves aft physically evidence3. FB3 - Fly-by in the middle of alien beings seen on board;4. FB4 - Fly-by in the middle of the facts experiencing a sense of misused reality5. FB5 - Fly-by that results in graze or beating.The Maneuvers variety is more to the point separated popular 5 types;1. MA1 - UFO seen itinerant in an improper manner;2. MA2 - UFO maneuvers causing physically effects;3. MA3 - UFO dance routine in the middle of alien beings seen on board;4. MA4 - UFO seen itinerant in an improper formula in the middle of the facts experiencing a sense of misused quality;5. MA5 - UFO maneuvers that pressurize somebody into graze or beating.