Cmdr Carbucketty reports on Reddit that he discovered the Generation Ship Pleione, following up a listening post lead in Puppis Sector FB-X B1-4 to arrive at Hez Ur, where he found the ship 8000 light seconds from Hez Ur 5.
An album of screenshots can be found here: http://imgur.com/a/fV2Yp
Source: Reddit /r/EliteDangerous Originator: Cmdr Carbucketty (jamesmowry)