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> > Hi. I was wondering if anyone has an explanation for this observation
> > which appeared in the science forum I frequent. I am unable to
explain it
> > despite racking my brains. Thanks.
>
> An interesting observation, indeed.. I guess still, it is caused by
water
> droplets. The conditions are just special.
>
> The biggest problem of observations is the lack more accurate
information
> about the geometry of the observation ie. the location of the bow from
the
> anti-solar point
Could the viewer actually be referring to colours near to/around the sun?
In that case it could have been a corona where the first coloured ring is
violet on the outside. Verbal descriptions can be difficult, I
sometimes
get reports of ice halos described as 'rainbows'.
Les Cowley
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