Having a recent topic at inkscapeforum on aurora borealis. An example made with filters only. Take it as a warning, the rendering is a bit heavy.
北極光
2016、aurora、aurora borealis、aurora polaris、clear、dark、design sources、filter、filter in action、filter pack、fire and dust、Full HD、Lazur、night、northern light、remix 239382、shiny、sky、star、stardust、starlight、URH
2016、極光、北極光、極光極光、明確、暗、設計來源、過濾、過濾器在行動、過濾包、火與灰塵、全高清、天藍、晚、北極光、混音239382、閃亮、天空、星、星塵、星光、URH
資料來源：openclipart ( https://openclipart.org/ )