Eagle-eyed internet surfers picked out the mysterious saucer hovering over the Bristol Channel, south west of Barry.
Ripples of water can be seen around the object – leading UFO watchers to believe it is generating downward thrust.
Mystery object ... half a mile from coast
Mystery object ... half a mile from coast
The image stunned UFO enthusiasts.
Britain’s UFO Research College said the photo was “extraordinary” and called on the Ministry of Defence to investigate the sighting.
UFO researcher Avril Thirst said: "This image is extraordinary. I would not be surprised if there are even more unidentified flying objects caught by image-mappers on the net.
"The Ministry of Defence must look into this sighting."
The Sun
