Answer based on context:

After a tough road loss to the Cardinals, the Eagles went back home for division rival game 1 against the Giants.  After a scoreless first quarter the Eagles drew first blood with Michael Vick finding Desean Jackson on a 19-yard touchdown pass for a 7-0 lead before the Giants scored off of a Lawrence Tynes 25-yard field goal to cut the lead to 7-3 at halftime.  After this the Eagles went right back to work in the 3rd quarter with Alex Henery nailing a 20-yard field goal to help his team take a 7-point lead again at 10-3.  However, the Giants managed to tie the game up as Eli Manning found Victor Cruz on a 14-yard touchdown pass to make the score 10-10.  The Eagles moved back into the lead with Henery's 48-yard field goal for a 13-10 lead.  They would score another field goal in the 4th quarter for a 16-10 lead.  However, the Giants were able to take the lead Manning finding Bear Pascoe on a 6-yard touchdown pass for a 17-16 score.  But the Eagles moved down the field and were able to score with Henery's 26-yard field goal for a final score of 19-17. With the win, the Eagles improved to 3-1.  The team also made it to 1-0 in games where Vick does not turn the ball over.  The Eagles had gone 8-1 in their last 9 games against the Giants by this time. The win against the Giants stood as their last home win until Week 11 of the 2013 season.

How many yards was the longest field goal?
48