Small and large coronas
How small is a pollen corona! On 14 May, a fine circular pollen corona re-appeared in clear sky blue over Deventer. It was magnified by zooming the camera lens, but actually real proportions of this small phenomenon are disguised by doing so. Here we see a fraction of a common water droplet corona in Fractocumulus too, left in the image. It is nice to see the differences in corona proportions, by considering pollencoronas, via common cloud coronas, to Bishops’ ring….
Posted by Peter-Paul Hattinga Verschure