During our walk, we spotted a very bright sun dog to the right of the Sun. Very colourful, prismatic. It persisted for a long time. Heavy clouds to the left prevented the display but much of the 22° halo was visible. At the top of the halo, there was a faint parry arc aka upper suncave. And up high the was circumzenith arc, also with a hint of colour. A few minutes later, a diffuse pillar emerged, above and below the Sun's position.
Sunday, May 28, 2017
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