Episode 2 of 3
Caldas Observation
- When
- 11 December 1808
- Where
- Bogotá
Francisco José de Caldas reported a transparent cloud obstructing the sun's brilliance in 1809, first observed on 11 December 1808.
Caldas served as Director of the Astronomical Observatory of Bogotá between 1805 and 1810. His reports of a visible cloud across Colombia led researchers to suggest the eruption window was within seven days of 4 December 1808.
Sources
- 1808 mystery eruption Wikipedia, revision of 2026-04-10
Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.