https://www.atoptics.co.uk/blog/wegener-arc-and-parhelic-circle-the-netherlands-opod/
Wegener arc and parhelic circle, The Netherlands - OPOD
This article explores the rare optical phenomena of the Wegener arc and parhelic circle, captured in the Netherlands. It delves into the science behind their...
parhelic circlethe netherlandswegenerarc