Nuremberg, Germany — February 1762
Unknown astronomical object
Single object, “a black round spot” passing in front of the Sun, as observed by Mr. Staudacher. He missed it the next day, and commented, “Perhaps this is a new planet.”
Source: “Observations of the transits of intra-mercurial planets or other bodies across the Sun’s disk.” The Observatory (1879): 135. Case: W301