Johann Baptist Homann -Systema Solare et Planetarium – 1708–1710
Systema Solare et Planetarium, Johann Baptist Homann, Nuremberg, c. 1708–1710
Copperplate engraving with hand color.
This celebrated celestial chart presents the Copernican solar system “ex hypothesi Copernicana,” drawing on the elegant deductions of Christiaan Huygens. A radiant sun occupies the center, encircled by the concentric orbits of the known planets and their satellites, each orbit annotated with period notes and distances. A wide outer ring carries the zodiac in lively Baroque figures, including Leo, Cancer, Gemini, Taurus and Aries placed against rolling banks of engraved cloud. In the left field appear lunar phases, eclipse diagrams and a terrestrial hemisphere set within dramatic shafts of light. At right, a cloud-borne cartouche beginning Benevole Spectator addresses the viewer, while an astronomer with armillary and demonstrational models underscores the union of observation and divine order. Homann’s composition balances up-to-date astronomy with theatrical engraving, making it one of the most admired early-eighteenth-century visualizations of the heliocentric cosmos.
Johann Baptist Homann (1664–1724) founded the influential Nuremberg firm later known as Homann Heirs. His atlases and scientific plates combined current scholarship with rich allegorical design and helped disseminate Enlightenment astronomy to a broad European audience.
Texts below image:
SYSTEMA SOLARE ET PLANETARIUM, ex hypothesi Copernicana secundum elegantissimas Illustrissimi quondam Hugenij deductiones novissime collectum & exhibitum a IOHANNE BAPT. HOMANNO NORIBERGAE. Cum Privilegio Sac. Caes. Majestatis.
English rendering of the title line:
“The Solar System and Planetarium, according to the Copernican hypothesis, newly compiled and presented after the most elegant deductions of the illustrious Huygens, by Johann Baptist Homann, Nuremberg. With the privilege of His Holy Imperial Majesty.”
The famous German 18th Century cartographer Johann Baptist Homann founded a mapmaking firm in Nuremberg in 1702. Upon his death in 1724, it passed to his son Johann Christoph (1703-1730). and later was managed by Johann Michael Franz and Johann Georg Ebersberger under the name Homann Heirs (Homann Erben).
