As a child after moonlanding went outside to look at moon saw a blue bright light beam As a kid during Apollo 11 event went outside in the evening to look at the moon if I "could see something" as only a child can fantasize. Then I saw a blue, bit pulsating lightbeam for around 30 seconds to a minute. Best to compate to the arc light an electric welding produces. It felt as it was just for me to see. Never forgot it. I just can remember if it was