He blazed his 12-yard chance to win the game umpteen rows back in the famous old stand.
Swansea knew this was a game they could have won and now their biggest opportunity had gone.
Gower, 33, who has plied his trade in the past at Barnet and Southend, admits he will struggle to come to terms with his miss.
The midfielder said: "Let's face it, how often am I going to get a chance like that at the Kop end, a chance to become a bit of a hero?
"It was horrible really. I snatched at it and I reckon I'm going to be thinking about that for a long, long time. I'm devastated but must make sure I don't dwell on it.
"I don't want it to distract from our performance.
"We had a belief already but this has bred even more belief — and none of us can wait to play Manchester United at home in our next game. It's just a shame it's two weeks away. We're all counting down the hours."