Another general ice crystal growth run showing ice crystal growth 'running' down the crystal in some images (5-20-11 -39.4C notext). Images with temperatures listed at or above -36.6C are ablating, with the picture at -31C being very messy. However, note the intersting ablation pattern, which is similar to 5-18-11 ablation images. The general technique was growth of crystals followed by ablation and then ending the run.