It just popped up when I was travelling to Ceos. First time I'd seen oneThe Hyperion is old news, sorry - it was found two years ago. Though my Generation Ship thread listed it in the wrong system (I had it down as being in "Lalande 2116", which doesn't exist in ED). So thanks for the prompt to make the correction.
And technically, it wasn't "scuttled by the captain". It was taken over by a religious cult, who killed the rightful captain and vented the airlocks.