That's actually several 5 second photos overlaid, one on top of the other, to give the ISS it's long tail.

I really got into photography when I retired and we were cruising on our trawler. Unfortunately I didn't buy my DSLR until we were in Savannah. The DSLR opened up a whole new world for me, like the photo of the ISS. I'll post another tomorrow of the Perseid meteor shower