Manderup Parsberg Manderup Parsberg Manderup Parsberg (December 24, 1546 - November 11, 1625) was a Danish nobleman and politician who was member of the Royal Privy Council to King Christian IV of Denmark. As a student at the University of Rostock he participated in a duel against his third cousin Tycho Brahe in which he cut off most of his nose. The two later became good friends, and he married Tycho's distant cousin Anne Pedersdatter Brahe (1578-1633). Parsberg was lord to Hagesholm. When, in a funeral oration for Brahe, an allusion was made to their unfortunate duel, Parsberg protested and sought redress
Tycho Brahe to achieve much higher accuracy. Because of the accuracy of his instruments, he quickly realized the influence of wind and the movement of buildings, and instead opted to mount his instruments underground directly on the bedrock. Tycho's observations of stellar and planetary positions were noteworthy both for their accuracy and quantity. With an accuracy approaching one arcminute, his celestial positions were much more accurate than those of any predecessor or contemporary — about five times as accurate as the observations of the contemporary astronomer Wilhelm of Hesse. asserts of Tycho's Star Catalog D, "In it, Tycho achieved, on a mass