Second-half goals from Ephron Mason-Clark and Nathanael Ogbeta wrapped up the win to leave Posh just one behind behind Bolton Wanderers and Derby.
Our photographer David Lowndes was on hand as ever to capture just some of the fans who were there.
Take a look and see who you can spot.
Keep up-to-date with the latest Posh news here.
Take a look and see who you can spot.
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