Tarbes, France — 18 January 1798
Astronomical anomaly
Astronomer D’Angos observed an object passing in front of the Sun. It was “a slightly elliptical, sharply defined spot, about halfway between the centre and edge of the Sun, which passed off about 25 minutes afterwards.”
Source: Inforespace 28, quoting from The Annual Register 83 (London, 1798). Case: W323