Venus Phases from New Almagest — The crescent phases of Venus and detailed representations of its appearance as seen through a telescope, from Riccioli's 1651 New Almagest.
Photo Credit: By G. B. Riccioli - Almagest Novum/Astronomia Reformata of 1651/1665, Public Domain, https://commons.wikimedia.org/w/index.php?curid=16707215