The Science and Art of Using Telescopes By Philip Pugh
...er 2009 | 411 Pages | ISBN: 0387764690 | PDF | 12 MB
Amateur astronomers have to start somewhere. Most begin by buying a modest astronomical telescope and getting to know the night sky. After a while, many want to move on to the next stage, but this can be problematic. The magazines advertise a mass of commercially-made equipment Ц some of it very expensive Ц which can represent a major financial outlay. The trick is to choose the right equipment, and then use it to its fullest extent.