The following exert is an eye witness statement. Please read into it what you will. This has been reported to mufon who I am sure are investigating:
While returning home, i observed a rare double rainbow in front of us. i was the passenger in the car and started taking photos of it. i took 12-13 photos, in 2 photos the object appears in the clearing of the clouds at the highest arch of the rainbows. other photos in the series shows 2 odd white streaks.