Aurora Borealis earlier this year
This video shows what happened on March 17 when an CME (Coronal Mass Ejection) hits Earths magnetic field. Two days earlier, sunspot AR1692 had produced a M1-class solar flare that resulted in the CME that hit Earth.
This time lapse shows what happened during four hours over Östersund in Sweden, between 19:20 and 23:35 UT.
The time lapse consists of 2464 raw images for a total data amount of 30Gb.