Bonn, Germany — 11 October 1847
Fast-moving intruder
- Single object, a small black spot rapidly crossing the disk of the sun, reported by astronomer Schmidt. It was “neither a bird nor an insect crossing before the telescope.”
Source: R. C. Carrington, Monthly Notices of the Royal Astronomical Society 20 (January 1860): 100-1. 439. Case: W392