Is there a 4 way stop sign in space for UFO.

In Oct. 1978 at 23;30 To about00:30 hrs. A bright oval light move across the sky at speeds that make it cross the sky in about ten sec. It was the brightest thing in the sky.  WE all looked up an to our surprize to see it stop and not move for 2sec. then take a 90 degree turn. Over the next hr. we saw 4 more do the same in the same spot as if it was a 4 way stop sign in the sky  All made a 90 degree turn comeing from different area of the sky. To this day I alway look up to the sky to the nnw at 10 o,clock high  from Birmingham,Al..