Sun dogs! with halo, sun pillar and parhelic circle! The view from the skidoos on Wormald Ice Piedmont, Adelaide Island #Antarctica; parhelion phenomena are caused by ice crystals refracting sunlight @BAS_News @NERCscience #Parhelion #SunDogs pic Adam Lowndes pic.twitter.com/LYKlTOBMqj

— The Antarctic Report (@AntarcticReport) September 21, 2020