A SCIENTIFIC EXPOSITION OF THE SUPERNOVA IN FIRST EDITION

De stella nova … De stella tertii honoris De Jesu Christi vero anno natalitio.

Prague, Pavel Sessius (impensis Authoris), 1606 and Frankfurt, Wolfgang Richter, 1606.

 £69,500

FIRST EDITION. 4to, four parts in one volume, pp. (12), 212, 35, (5). Predominantly Roman letter, little Italic and Greek; four separate title-pages, woodcut printer’s device on first, several diagrams, neat double-page engraved illustration of constellations (Scorpio, Serpent, Aquila and Ophiucus) and the supernova of 1604; some browning. A good copy in contemporary plain vellum, double-fillet panel, manuscript contemporary title and early shelf mark on spine; remains of ties, all edges red; covers slightly bowed. Armorial bookplate of Christoph Wenzel, Duke of Nostitz (1643-1709) on pastedown, Richard Levin’s bookplate on front endpaper; library stamps of Herényi Gothard István (1869-1948) and the Library of the Herényi Astrophysikai Observatorium on first title page.

First edition of Kepler’s detailed essays describing the supernova which appeared at the foot of the constellation Ophiucus in 1604. Johann Kepler (1571-1630) is one of the most important modern astronomers and mathematicians, along with his teacher Tycho Brahe and Galileo Galileo. Working at the court of the Emperor Rudolph II in Prague, he was able to improve the refracting telescope and formulate the fundamental laws of planetary motion correcting Copernicus. This invaluable account provides information on the supernova’s colour, brightness, distance to the earth as well as other events related to this still unsolved astronomical phenomenon announcing the death of a star. The supernova was the last to be seen in the Milky Way and was named after Kepler in the 1940s.

Its appearance revived the debate among scholars on whether the incorruptibility of the cosmos established by Aristotle was valid or not. For instance, Galileo delivered a lecture on the supernova, considering it as a disproof of the Aristotelian theory. In 1604, Kepler was observing the conjunction of Jupiter with Saturn, an event which he calculated to happen exactly every 800 years. On October 10, Kepler witnessed the supernova and assumed the two phenomena were related. While working on his scientific description, he came across the essay of the Polish astronomer Laurence Suslyga, who had argued that Christ had been born in 4 BC on the basis of other celestial calculations. On this account, Kepler concluded that 1600 years earlier (i.e. 4 BC) the Jupiter-Saturn conjunction had provoked another supernova, which had been recorded in the Gospel and it is known as the Christmas Star or Star of Bethlehem. Such a theory is set out in the fourth part of this remarkable collection of treatises.

This editio princeps has two variants, depending on the presence of the imprint ‘impensis Authoris’ in the main title. Although a definitive priority has not been established, Kepler’s letters seem to suggest that the present title page is the second version, which is rarer and more correct. Kepler was probably unsatisfied with the quality of the first print-run and paid for another smaller one. This is confirmed by the fact that the presentation copy to James I in BL was from the second print-run.

BM STC 17thc. Ger., K96; Graesse, IV, 11; Caspar, 27; Cantamessa, 2289; Cinti, 17; Houzeau & Lancaster, 2843.

K25

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