First time I saw circumzenithal arc ("upside down rainbow") - and this at QTH (you can see my ZS6BKW also on the photo).

#circumzenithalarc #cza #atmosphere #atmosphereoptics #rainbow #upsidedownrainbow

Circumzenithal arc, central Perth, this evening

https://en.wikipedia.org/wiki/Circumzenithal_arc

#perthshire #cza #atop #sky #cirruscloud #photography #scotland