Solar-eclipse expedition to Wakor
· Wakor (Whae-Whan), Prachuap Khiri Khan Province, Siam (now Thailand)
Wikimedia Commons · Public domain in Thailand · file Mongkut traveled to Wakor to observe the total solar eclipse that he had calculated, accompanied by Siamese and European officials. He contracted malaria during the expedition. Coordinates use Mongkut's stated eclipse-viewing position of 11°39′N, 99°42′E; the precise historical camp location is uncertain.
