Strange pink light caught over Katy, Texas

On September 6, 2016, a witness living in Katy (in Texas) has spotted a mysterious and intense pink light. He has taken a photo of this strange UFO. What is it?

Witness statement:

I was standing in a friends yard and heard a humming sound. I looked up and saw this object that was an intense pink color. It simply passed through the sky from west to east.