دانلود کتاب Go-To Telescopes Under Suburban Skies

Go-To Telescopes Under Suburban Skies is the first book specifically written for amateur astronomers who own, or who are about to purchase, a computer-controlled ‘go-to’ telescope. Computer control and automatic location of objects in the night sky is now a feature of even inexpensive astronomical telescopes (under $200), no longer just of the more expensive models. The advantage of the ‘go-to’ capability is enormous – the telescope can be aimed at any object in the sky with great speed and accuracy – and so is the popularity of these instruments. GO-TO Telescopes Under Suburban Skies provides literally hundreds more targets beyond those offered by the built-in ‘nightly tours’ that feature on the telescope’s computer handset (a feature incorporated by most manufacturers). Although most ‘go-to’ telescopes have enormous databases of objects they can find – usually running into tens of thousands – the tours (that’s suggested objects to look at) are always very limited. Once you’ve seen the planets and bright objects that the computer suggests, you’re on your own…