The ice in the air ensured that a large number of refractions were visible.  Extended sundogs, a bit of a pillar, and 2 halos are all visible behind the clouds.  Taken from the Dark Sector at the South Pole.
<a href="//commons.wikimedia.org/w/index.php?title=User:Mirriat&amp;action=edit&amp;redlink=1" class="new" title="User:Mirriat (page does not exist)">John Hardin</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>