He assigned to each star in a constellation one of the 24 letters of the Greek alphabet. Bayer sought to reform this situation by systematically identifying each star precisely and succinctly. Though traditional constellations continued to provide a convenient means of dividing the heavens, the profusion of names for individual stars that resulted from the translation of Greek into various languages proved most cumbersome and confusing. The significance of Bayer's work lies in his innovative method for naming stars within each constellation. Bayer was later appointed legal advisor to the city counsel of Augsburg with an annual salary of 500 gulden.
The city council responded with an honorarium of 150 gulden. He dedicated the volume to two of Augsburg's leading citizens. Though a lawyer by profession, he maintained a keen interest in astronomy and after moving to Augsburg, published his comprehensive celestial atlas Uranometria on September 1, 1603.
In 1592 he matriculated at Ingolstadt University as a philosophy student and later obtained a law degree. His was also the first celestial atlas to represent the stars around the South Pole and to cover the entire sky.īayer was born in Rhain, Bavaria, in 1572. Encyclopedic in nature, with beautifully redrawn maps, a host of efficient navigation tools, and more accurate catalog data for three times the number of deep sky objects shown in the preceding work, Uranometria 2000.0 is clearly an atlas and guide every telescope user, whatever their aperture, will want to own.Johann Bayer produced the most comprehensive pre-telescopic star catalog and introduced the nomenclature still in use for designating stars visible to the naked eye. More than 280,000 stars and over 30,000 deep sky non-stellar objects are located with a degree of accuracy heretofore unavailable in one resource. Years in development, this massive achievement affords astronomers, astrophotographersand CCD imagers the finest roadmap to the heavens yet produced at such a modest price. The most comprehensive stellar/deep sky atlas and data resource we have seen, the three volumes of Uranometria 2000.0 are so much more than a "Second Edition," they can only be considered the fulfillment of that process to which the first edition was but prologue. is privileged to bring to press the stunning "Next Edition" of the world-famous Uranometria 2000.0.
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