Saharan Dust Moon Halo
There was a 22 Degree halo around the moon a couple of nights ago. This is a sign of cirrostratus, a high veil of icy…
Tag: 22 degree halo
22 Degree Halo and Contrail Shadow
My thanks to Alan Gibson, urbane forager and regular contributor to this blog, for another great image. In this picture we are looking at two…
Circumzenithal Arcs
My thanks to Simon Cadman for the following generous email and some great images of some sun dogs and the more rarely-spotted, ‘upside-down rainbow’, also…
More Beautiful Sun Dogs
My thanks again to Alan Gibson for sending over some great images. These are sun dogs or parhelia and parts of a “22 degree halo”.…