Double & Multiple Stars, and How to Observe Them

The first part of Jim Mullaney’s book provides a comprehensive review of the different classes of double and multiple systems, along with a look at the astrophysics of these objects. This is followed by a detailed guide for amateur astronomers, describing how to observe them – using a variety of different techniques – and outlining how to record the observations.In one book, here is all you need to observe double and multiple stars, and to understand the systems you are looking at.