triangle shape made of 3 circles.multi coloured moving in an odd mannerwe saw a triangle shape that seemed to be made up of 3 small circles,it was multi coloured and was moving from our right to our left.it then stopped for about a minute and then moved off sraight ahead away from us then gradually faded and disapeared.the colours from it were greenish yellow and red.it was a clear sky with only a slight wisp of cloud.we both work in a hospital as night porters for about 25 years between us and neither of us have ever seen anything like it before.