Would this be the same as a 'Sun Dog'?
On 2016-08-17 10:36, Dave Bell wrote:
Typically, this would indicate ice crystals in the upper atmosphere. A
normal rainbow is formed by water droplets with two internal
reflections, so the rainbow's light is projected back towards the sun.
In this case, the light is passed forward through the crystals, at an
angle determined by their shape, so it appears to be coming from the
sun's direction, but offset.
Dave
Sent from my iPhone
On Aug 17, 2016, at 7:24 AM, Jackie Jones <jac...@waitrose.com
<mailto:jac...@waitrose.com>> wrote:
Dear Sundial folk,
I know this is not really sundial related, but I am sure someone will
be able to explain this odd rainbow. The picture was taken yesterday
just before 6pm British Summer Time on a hot sunny day. Looking west
to the low sun, there was a rainbow above it with the ends of it
curving upwards. Below it there was a very faint second one in the
same curve. How does this happen on a dry day; normally the sun is
in the opposite direction to the rainbow?
With best wishes in anticipation of an explanation,
Jackie
Jackie Jones
50° 50’ 09” N 0° 07’ 40” W
<Rainbow above sun.jpg>
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