clusters that came to be known as the 103 " Messier objects ". The purpose of the catalogue was to help astronomical observers, in particular comet hunters such as himself, distinguish between permanent and transient objects in the sky. http://en.wikipedia.org/wiki/Messier_object http://en.wikipedia.org/wiki/Messier_101 http://www.astro.lu.se/Tycho.html NON HABERI SED ESSE The last lines are a