On November 11 1572, Tycho Brahe (1546-1601) discovered a new star [now called a "nova"] above the [w-shaped] Cassiopeia constellation. His book "De Nova Stella" appeared the year after.
Tycho's observatory, Uraniborg, on the islet of Hveen [engraving from the 1663 French edition of Johan Blaeu's grand atlas]