Well done, Mike!
As far as the small vertical element is concerned, I suspect that there was a
change in the formation of the moisture at that point sufficient to cause a
distinct and separate prism effect.
Chris
> On 23 Jan 20, at 17:50, Mike Bloor <admin@xxxxxxxxxx> wrote:
>
> On Xmas Eve I was taking my dogs for a walk along the beach when it started
> raining. With the help of the reflection on the wet sand, I grabbed a picture
> of six rainbows. http://www.vyuze.com/images/rainbows.jpg
> <http://www.vyuze.com/images/rainbows.jpg>
>
> Technically it's not great. It was taken with an iPhone and having a 35Kg dog
> tugging on his lead at the same time is the very opposite of image
> stabilisation. I know the mechanism that creates the main rainbow and also
> the outer one of the double rainbows that we see quite often. Can anyone
> explain the short, vertical rainbow in between those two? I have seen this
> effect before, but only rarely.
--
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