northern lights sky above bismarckturm on hornisgride in baden-württemberg, germany and city lights in background

northern lights black forest germany aurora borealis dark landscape beautiful night sky background magical astronomy starlight dancing scenic light winter nature purple starry magnetic green orange cosmos blue bright yellow atmosphere star polar german may 2024 wind turbine radio tower observation colorful meadow path hornisgrinde pink sun storm countryside city baden wafrac14 rttemberg