De prodigiosa specie, naturaq[ue] cometae, qui nobis effulsit altior lunae sedibus, insolita prorsus figura, ac magnitudine, anno 1577 plus septimanis 10. apodeixis tum physica tum mathematica

A large diagram depicts the 1577 comet in relation to the Earth at the center, surrounded by a circular grid representing the celestial sphere, including the Equator, the Zodiac, and the Milky Way (Via Lactea). The comet is shown with a tail extending across the upper right quadrant. Various astrological symbols and constellation names (Pegasus, Andromeda, Cygnus, Delphinus, Aquila) are inscribed around the sphere.