Hooker's Orchid Cactus, aka: Night Blooming Cereus 2

I set up my camera on a tripod and then started taking pictures every five minutes. When I thought the "opening" process was about to get going, I started to take pictures every 2 minutes. When it finally "opened" I shot lots of pictures with two cameras. The one on the tripod didn't move, with the other I played with all sorts of different lighting. Hope you enjoy! The first group is of the single bloom (1-222), the second group (223-339), two days later are of the double blooms. I didn't catch them opening.