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> 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
Harald,
Yes that is a pollen corona for sure but I
don't know what kind of pollen produced it.
I hear you elliptical halo too!! Congrads on that
one because they are quite rare.
I have noticed that there is a mailing list from
the Netherlands talking about the ellitical halo
I photograph this past february.
All of the best,
Michael
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