A spectroscopic atlas of stars: A guide of layer of pocket is a standard reference book for all the astronomers of amateur interested in the spectroscopy or practical spectrography. For the first time in a place, it identifies more than 70 (northern hemisphere) luminous stars which are appropriate the targets of observation for amateurs and students of astronomy. Diagrams of discoverer are given to locate these sometimes-familiar stars. The data for each star include the marked stellar spectra, a spectral profile with the identified spectral lines. Those are conveniently presented on one of only one page, with respect to the tables of the spectroscopic properties, and the lines and identified wavelengths. It is the first spectral atlas designed for the astronomers of amateur. He is also appropriate to the students preparing a licence of university, being designed to familiarize astronomers of any age and level of knowledge with marked stellar spectra and their various properties. He contains many information on stars he is difficult to find that or inaccessible to the majority of the people. 43 new or used available from $14.50
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