Hi, quite a few people are running solargraphs (tin cans with pinholes containing photographic film) to capture the suns path between the Summer and Winter solstice. The one below was run for just one day.
This is a Solargraph of the Eclipse on Aug 21 2017 taken in Idaho, for full details go to:
It didn’t use photographic film but photosensitive paper, that you stop/ develop by immersing in water, the sort of thing you can get from Hawkins bazaar.!