A mosaic of four photos I took this afternoon of a full 22° halo around the sun. It was extremely hazy, and the halo was almost impossible to see without sunglasses because of the glare. I actually stopped the exposure down in order to get the halo.

A few minutes earlier (and a few miles away) I also saw a faint fragment of a circumhorizontal arc. Oddly enough, it was the same time of day, time of year, direction of the sky, and stretch of road as the last one I saw! If I drove that stretch of road regularly, I wouldn’t be so surprised, but I’m only rarely in that area at lunchtime.

Update: About a month later, I saw a really clear circumhorizon arc (or rainbow cloud)…from my office building’s parking lot!

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