AT AT maximum firepower (close up and slow motion) bombardment of the Hoth shield generator

The Hoth shield generator was obliterated when Colonel Veers ordered a maximum firepower bombardment from the command deck of his Imperial AT AT. Notice there are actually two explosions in this video both quite distinct from one another. The first explosion (the one shown again in slow motion at the end of the video) was produced upon bolt impact, and it is quickly followed by an even larger multicoloured explosion which culminates in a mushroom cloud. Perhaps the former whitehot explosion was generated