Coach's Challenge: OTT @ PIT - 8:18 of First Period

At 8:18 of the first period in the Senators/Penguins game, Pittsburgh requested a Coach's Challenge to review whether Ottawa was off-side prior to Kyle Turris' goal.
After reviewing all available replays and consulting with the Linesman, NHL Hockey Operations staff determined that the Senators entered the attacking zone legally prior to the goal.

Therefore the original call stands - good goal Ottawa Senators.
Since the Coach's Challenge did not result in the original call being overturned, the Pittsburgh Penguins forfeit their time-out.