Observing Guide to the Messier Marathon

The Messier Catalogue is a list of one hundred and ten galaxies, star clusters and nebulae, and includes many of the brightest and best-known objects in the sky. Amateur astronomers can challenge their abilities by attempting to find all the objects on the list in one night, and thus complete the Messier Marathon. This book contains over 90 easy-to-use star maps to guide the observer from one obje...