I was driving South on the road,Forme Hermosillo to Guaymas , the sky was blue, There was no clouds Somethinhg bright on the sky , calls my atention, and I saw a a round ball of fire that lasts 4 o 5 seconds , and dispear and I saw into the circunference of the ball of fire a blue , grey blue like a form of a bread that we call " boilillo"eliptical; the zise was like a half dollar of the circule and the eliptically form of color blue that was inside the circule, it become smaller like desintegrated and it disappear, I think it lasted about 5 seconds the ball of fire and 20 to 30 seconds until become smaller and disapears. I saw at the left of me , and at the right I saw a Jet plane thas its leaving a White stella I thing the diference it was about 5 seconds .