Observing and Measuring Visual Double Stars

In these days of high-precision astrometric satellites, tremendous contributions to the scienceof astrometryare being made by amateur astronomers around the globe. This second edition of Observing and Measuring Visual Double Stars contains a significant amount of completely new material inspired by the work done by observers - particularly in the USA - since the first edition was published. Fifteen skilled and experienced astronomers have contributed chapters on their own specialization in thevariousfields. These include how to usethe Internet to carry out precise astronomical measurement, an excellent guideto sketching double stars, and information on how to image double stars of unequal brightness. This new edition is the definitive book for those who are serious about this fascinating aspect of astronomy! Author Bob Argyle has been observing visual double stars for more than 40 years, somewith the help of the world's biggest refractors, and has been director of the Webb Society Double Star Section since 1970.… (more)