Stjerneborg — Tycho Brahe's Stjerneborg from Johan Blaeu's Atlas Major, Amsterdam 1662, vol. 1 This image is a drawing by Willem Blaeu of the Stjerneborg observatory circa 1595, it is taken from an Atlas by his son, Johan Blaeu, published in 1662 in Amsterdam.
Photo Credit: By Willem Blaeu, Public Domain, https://commons.wikimedia.org/w/index.php?curid=573307