Time lapse video and photographs of the northern Minnesota night sky were made by Mark Ellis. Image captures began at sunset time on June 16, 2012 and continued through to the sunrise beginning in the very early morning hours of June 17, 2012.
Mark's website is markellis.com.
Music is by Ryan Ellis (facebook.com/RellisOfficial).
Pink aurorae are somewhat rare as described by Phil Plait in this nice Bad Astronomy blog posting, also including a beautiful photograph of the pink aurorae shining over Crater Lake by Brad Goldpaint:
This video was featured in Discover Magazine's Bad Astronomy blog by Phil Plait: