You can now buy the recently released book, Fall of a Thousand Suns: How Near Misses and Comet Impacts affected the Religious Beliefs of our Ancestors. It is available through iBooks and Amazon.
This website only lists information on modern-day comets and meteor showers. The book, however, thoroughly investigates how specific ancient impacts and near misses changed religious beliefs around the world.
Near Earth Asteroid Tracking program
Comet NEAT could refer to any of numerous comets discovered by Near Earth Asteroid Tracking (NEAT) program in Hawaii.