at Bank of America Stadium, Charlotte, North Carolina The Falcons opened the regular season on the road against the Carolina Panthers on September 10.  Even though the Panthers scored first, with opposing kicker John Kasay getting a 54-yard field goal, the Falcons responded with a field goal of their own, as kicker Michael Koenen booted a 25-yarder.  In the second quarter, the Falcons unleashed their best, as Koenen got a 32-yard field goal and QB Michael Vick completed a 34-yard pass to WR Michael Jenkins.  The Panthers tried to respond in the third quarter with Kasay kicking a 46-yard field goal, but Vick and the Falcons put the game away with a 1-yard TD pass to TE Alge Crumpler.  Other than Vick having a good game, Warrick Dunn contributed with 132 rushing yards, while Atlanta's newest member, defensive end John Abraham, had 5 tackles, 2 sacks and two forced fumbles.. How many yards difference was Michael Koenen’s first field goal compared to his second?