How To Take A Picture Of The Moon

We have a nice almost full moon out tonight, and just after sunset it was inviting me to take a picture of it from my front porch. I have to admit upfront, that I did almost no preparation. Simply grabbed my camera, which happend to have a 70-200 F4L lens attached, leaned against the pillar to steady myself, and snapped off a few frames. When I ran inside and loaded them onto the computer, it was almost immediately obvious that I wouldn't be sharing any of those shots. ... they were all way overexposed , with no detail at all. Crap, I forgot how to take a picture of the moon. So if my problem is over exposure, I need a faster shutter speed, a smaller aperture, or both. Ok, let's try this again ... I manually set my camera to ISO 100, F11, and 1/400 sec exposure, and when back out to lean against the pillar. The picture at the top of the page is what I got. It's not the greatest moon shot in the world, but for a spur of the moment, run outside and snap a