Saw a circular disk approximately 30' in diameter.
It was glowing a green/purple rather subdued.
I did not like the color.
It hummed when it was motionless.
It looked to be about 100' high and almost directly overhead.
I was 7 years old and was not dreaming as my father told me I was when I went to my parents' bedroom and woke him up to tell him what I was seeing out my south facing window.
The object became completely silent when it moved back and forth West/East a short distance of perhaps 50'.
When I returned to my bedroom the object was gone.
A very interesting experience for a 7 year old.