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Author Topic: Green clouds  (Read 989 times)
sdwilsonsct
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« on: October 22, 2012, 11:02:25 PM »
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I don't understand these green clouds. Yellow clouds picking up blue from the clear spot??
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francois
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« Reply #1 on: October 23, 2012, 04:55:43 AM »
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I won't explain the green clouds but I like this image a lot. It has such an out-of-the earth look!
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Francois
Chris Calohan
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« Reply #2 on: October 23, 2012, 07:28:16 AM »
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Understand the natural mechanics behind a rainbow and the green clouds will begin to make sense. Lovely color.
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What! Me Worry?

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Tony Jay
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« Reply #3 on: October 23, 2012, 08:00:08 AM »
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Diffraction can be a good thing!  Cheesy

Tony Jay
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sdwilsonsct
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« Reply #4 on: October 23, 2012, 10:03:53 AM »
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Understand the natural mechanics behind a rainbow and the green clouds will begin to make sense. Lovely color.

Very interesting: thanks!

Perhaps green clouds are more common than I realize: I did not see these when I took the shot, or during casual inspection of images soon after. Only yesterday when I started processing and paying attention to the mountain shadow did I notice the cloud colour.

Thanks, Francois and Tony.
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Colorado David
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« Reply #5 on: October 23, 2012, 11:40:02 AM »
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Around here green clouds mean you'd better get your car in the garage and put your insurance adjuster on speed dial because it's going to hail like hell.
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Chris Calohan
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« Reply #6 on: October 23, 2012, 01:49:28 PM »
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And here it is a fair warning a tornado is lurking about somewhere...green clouds have few earthly friends.
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IanBrowne
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« Reply #7 on: October 25, 2012, 10:15:21 PM »
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I saw this image when it was first posted and I was hoping someone provide the answer.

Maybe a little too much shadow but it's still a very interesting photograph.
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Tony Jay
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« Reply #8 on: October 25, 2012, 10:23:35 PM »
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I saw this image when it was first posted and I was hoping someone provide the answer.

I thought we did!
Diffraction can be a good thing!  Cheesy
Understand the natural mechanics behind a rainbow and the green clouds will begin to make sense. Lovely color.
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IanBrowne
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« Reply #9 on: October 25, 2012, 10:50:50 PM »
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I thought we did!

yeah OK; now I understand the replies; bit on the slow side today   Roll Eyes
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sdwilsonsct
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« Reply #10 on: October 27, 2012, 10:23:29 AM »
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Maybe a little too much shadow but it's still a very interesting photograph.

Thanks Ian! I think the shadows had to be that dark to bring out the colours. I'll take another look at it.

I'm afraid that, like Ian, I don't entirely get the rainbow and diffraction explanation. The light is diffracting through a narrow opening? Why is the green so widespread, the red so narrow, and the other parts of the spectrum missing?
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