D o you think its a natural Rainbow or made by a sport Plane?

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  • The contrail is moving against the recessed background. It look as if the original aerial photograph camera is capturing the red, green and blue images with a slight time separation. Similar effects are seen elsewhere.

    1930s onwards Technicolor recorded the filtered 3 colours separately onto high resolution black and white film for an expensive but brilliant colour image, see Gone With The Wind.

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