In his report, Carter wrote that the object was self-luminous, about as bright as the full moon. He said it had been witnessed by some 10 persons and had been visible for about 10 minutes.
As he put it: “[We were ]standing outside of a little restaurant, I believe, a high school lunchroom, and a kind of green light appeared in the western sky. This was right after sundown. It got brighter and brighter. And then it eventually disappeared. It didn’t have any solid substance to it, it was just a very peculiar looking light. None of us could understand what it was.”
Some investigators thought Carter had seen Venus, which was then near its maximum brightness and rising in that part of the evening sky. But Carter countered that, as an amateur astronomer, he knew what Andrew Glass - Politico