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: halo
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…
22 Degree Moon Halo
Just saw and managed to snap a beautiful 22 degree moon halo. They are caused by the moon’s light refracting through the ice crystals in…