Sub Zero winter night timelapse

Shot in South Dakota in early February with most nights sub zero with 25 F wind chill. Used Dynamic Perception Stage Zero dolly and Milapse mount on most of the shots. Canon 60D and T2i Tokina 1116 Great Lens Tamron 1750 Shot in RAW format, most shots were 20 seconds exposure F2. 8 with 1 second interval between shots, for about 300 frames or so (several hours). There were a few 30 second and one 15 second exposures. ISO 1600 Music is Scorpio By Simon Wilkinson