A beginner's star-book; an easy guide to the stars and to the astronomical uses of the opera-glass, the field-glass and the telescope (1912)
Murphy, Edgar Gardner, 1869-1913 · New York, London, G.P. Putnam's Sons · leaf 120
re,to describe some of the inevitable limitations of the telescope. We will deal below, inshowing the advantages of low powers, with some of the simpler of these difficulties.It should also be said that the beginner does not have, with the astronomer, theadvantages of training,—the trained eye and… … TELESCOPE—MODEL B Alt-Azimuth Mounting io6 a Beginners Star*Booh especially at the beginning, cannot use to advantage a power of over 35 or 40 for everyinch of aperture. This is the maximum, from the standpoint of practical experience.And in most cases the beginner will do well, especially at…
Astronomy
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