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It looks like pine tree pollen.
If you compare it with this image which is pine tree. It looks very much
the
same.
[Image]
Harald Edens skrev:
> Over New Mexico (USA), between March 10 and 14 (5 days), there was a
nice
> corona around the sun in otherwise clear blue sky. I initially thought
the
> corona was caused by particles high in the atmosphere, but on the 12th I
> noticed that it also was in front of a mountain while the sun was
> disappearing behind it. So, whatever caused the corona was low-altitude
> and it must have been pollen.
>
> Does anyone on the list know from which tree or plant the pollen were?
>
> I am attaching two photos of the corona, taken 12 March. Photo nr. 50
was
> taken using a 125mm lens on a Nikon D100 which has a 1.5x focal length
> multiplier. I also took slides.
>
> Harald
>
>
> Name: d-050312-015.jpg
> d-050312-015.jpg Type: JPEG Image (image/jpeg)
> Encoding: base64
>
> Name: d-050312-050.jpg
> d-050312-050.jpg Type: JPEG Image (image/jpeg)
> Encoding: base64
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