Last nighttime launch
Click here to see the video of the launch on Youtube (don't forget to select high definition).
The STS-130 mission is really cool, as it delivers the final module for the ISS. The tranquillity module (or Node 3) will, among other things, contain the most advanced life support system ever sent into space, being capable of cleaning water, generating oxygen and storing waste.
You can read more about the shuttle program here.