Sunday 7 February 2016

77) "Also from Genoa, on bright clear days, the island of Elba can be seen an incredible 125 miles away! If Earth were a ball 25,000 miles in circumference, Elba should be forever invisible behind 8770 feet of curvature.”

We know...Genoa and mirages.
Yep, it's in the video.

Very phony numbers

Monte Capanne on Elba has an elevation of 1019m. With 300m observation height in Genoa and and refraction coefficient of 0.2 at a distance of 201km you get 207.1 km of added intersecting sight lines. Elba is visible.

Seeing Corsica from Genoa  because of a  superior mirage

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