Pollen corona

During the very dry weather of the last week, predominantly faint circular pollen coronas were continuously visible from the Netherlands. On 12 and 13 May the pollen was considerably washed out by short rain showers and could easily be collected afterwards. The image shows some pollen grains taken with simple eqiupment, a small microscope and a digital camera pointed through the eyepiece. The diameter of the field is 1,0 mm. The pollen can be identified as that from pine-trees. After the first rain shower, the pollen corona appeared much better defined than before, being circular with threefold red.

by Peter Paul Hattinga-Verschure

Posted by Peter-Paul Hattinga Verschure

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Posted on May 13, 2011, in coronae and iridescence, observations, pollen and algae phenomena and tagged . Bookmark the permalink. Leave a comment.

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