Saturn and How to Observe It (Astronomers' Observing Guides) Tapa blanda - 2005

In addition to his professional research that has appeared in various technical journals, for over twenty-five years Julius has written extensively on the subjects of lunar and planetary astronomy. He has also mad considerable contributions to the existing literature on methods and techniques for making visual observations of the Moon and planets with various astronomical instruments and accessories. For many years his articles have appeared in Sky and Telescope, Astronomy, Journal of the British Astronomical Association, Journal of the Association of Lunar and Planetary Observers, Star and Sky, and elsewhere. He has also published comprehensive A.L.P.O. observing manuals on Saturn, Venus, and the Moon so that enthusiasts all over the world could plan and execute useful research programs. Julius has frequently been a guest speaker at local and national astronomical gatherings and his efforts as a liaison between amateur and professional planetary scientists has helped improve the significance of A.L.P.O. observational work.