As the ISS orbits our planet, from time to time it passes in front of the sun for a given location.
https://www.calsky.com and https://transit-finder.com/ allow you to predict such transits for your location.
Last Saturday such a transit happened, and I was able to capture it:
(Of course the sound is artificial!)
I used a 127mm refractor with a 2x teleconverter, shooting FullHD Video in DX crop mode on a Nikon D750.
Here are some images taken from the video, and a combination of all frames that captured the ISS:
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