All of the atmospheric effects from ice crystals.
The book that I’ve turned to most often over the years is Minnaert’s “The Nature of Light & Colour in the Open Air”, which describes many interesting and sometimes rare things to observe outside*. And for me the most memorable part of that book is his introduction to halos (example in the picture above): “After […]
At this time of year, the weather changes often. Two days back, the usual low clouds and rain were unexpectedly interrupted by clear sky. In the midst of the plain blue sky, I noticed a small thin cloud above the sun. It seemed high enough to be cirrus, though I did not know what type.
CZ (circumzenithal) arc in a drifting cirrus Read More »
