As the ISS orbits our planet, from time to time it passes in front of the sun for a given 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: