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Lainaus Mats Mattsson <matmat_at_TELIA.COM>:
> It looks like pine tree pollen.
> If you compare it with this image which is pine tree.
> It looks very much the same.
Hello!
Surely Harald's photos are caused by pollen, but I
disagree it is caused by pine (or spruce) pollen.
The corona is lacking brightenings on the top and
bottow of the first order and on the side in the
second order corona, which are typical for pine
pollen coronae. The 'mickey mouse' shape of the
pine pollen particles cause these features. Also
the corona looks too round for pine pollen.
I think Claudia's suggestion of alder or hazeltree
is better. The later is not, however, familiar
for me. In our laitudes there just few tress causing
bright pollen coronae.
regards,
-Veikko Mäkelä-
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