Na England, Challis weputara aha Oceanus. Na-azọrọ ikike ịkpọ aha nchoputa ya, Le Verrier tụpụtara ngwa ngwa Neptune maka mbara ala ọhụrụ a, ọ bụ ezie na ọ na-ekwu na nke a ka akwadoro nke ọma site na French Bureau des Longitudes. N'ọnwa Ọktọba, ọ chọrọ ịkpọ mbara ala Le Verrier, mgbe ya onwe ya, yana o nwere nkwado na nke a site n'aka onye nduzi nyocha, François Arago. Aro a zutere nguzogide siri ike na mpụga France. Ndị French almanacs ngwa ngwa weghachiri aha Herschel maka Uranus, mgbe nke ahụ gasịrị na mbara ala ahụ bụ Uranus. William Herschel na Sir Leverrier na-atụgharị aha ahụ na Galle, onye tụrụ aro aha Janus. Na England, Challis tụpụtara aha Oceanus.
Herschel