BIG-one kilometer wide Yellowlighted UFO-Discusform-perfect shape

1971-22november-20:05-20:14 in the Evening-999meters of Diameter,hoovering above sealevel 60-80meters.Yellow Light Bright Color-homogenelight-cold light-behind the Vindoen Island,hoovering a Bridge over,Noethesund Bridge,from a Misty cloud-apearing as from another Time-just out of the Mist-Cows/birds stopped singing&roaring.
4 children (9-7years old,cousines) on the mainland beach-looked up thought it was the Moon at firsth-but MUCH bigger, covering the sky totally in the night...
Me and the driver of the Car-volvo PV444-1964model, blue, and three more persons in the car, coming from southern parts of Orusty Island-City of Henoen-SWEDEN..
The Radio gave a "hizzing sound",and the owner and driver of the car was immediately on his watch for something extraordinary-minutes before we saw it...
When it started and went East-turning North and not level so much more beyond 200-400meters from starting piont,I t seemed to scan the area...when starting-FLASHING blending White light-that stopped Engine of the Car and the Lights in Vindoen Island Tunnel-going Esterly direction-changing light to Orange-disapearing-Red-Disapearing,and blue and disapearing-invisible between color changings-UNDERNEATH bluish colored lightning sparks-like CD in Microwaveowen-Flowery patterned bottom...