Tootfinder

Continuing the series #Bochum, Germany, #sunset, from 11 June: long picture series - with #sunspots, identified in https://www.facebook.com/photo/?fbid=1120784560089937, and atmospheric optics ... and common swifts galore - in https://www.facebook.com/dan.fischer.393/posts/pfbid0m3ZmXb1CoX1JnekSsGCiAEELvkSHoFZMudTSU4YNQQv5h6MQibeRMGJydjaGhojTl

The role of the Lorentz force in sunspot equilibrium: #sunspots - 400-year-old mystery now solved by astrophysicists at the Freiburg Institute of Solar Physics (KIS): https://www.leibniz-kis.de/en/news/article/die-stabilitaet-von-sonnenflecken-wissenschaftler-und-wissenschaftlerinnen-am-institut-fuer-sonnenphysik-kis-in-freiburg-loesen-ein-400-jahre-altes-raetsel/

A clear #sunset on 29 June in Bochum, Germany - with two #sunspots quite evident at times and a strong #GreenRim near the end of the show: more timesteps in https://www.facebook.com/dan.fischer.393/posts/pfbid0vbP2AxckiSgX6hjVwNxJCuJ49mvcqMrJnP3EfDSjnzBKaJKfRnSTuYtzMnUm4Mrjl