Apparently the June 5 spiral over Sydney, visible from many other parts of Eastern Australia, was seen and filmed by large numbers of Australians. Here are three views:
And the Australian press finds an “explanation,” although the observatory expert seems reluctant to give it and “leaks” his approval:
The Melbourne Sunday Herald Sun wrote:
DOZENS of people across Australia have reported what they believe to be a UFO sighting early this morning.
The Sunday Herald Sun has been contacted by people living in Melbourne, New South Wales and Queensland after seeing a bright light in the sky about 5am.
The light was making a spiral formation and could be seen heading west.
“It was really weird,” early-riser Matt said.
Matt had been fishing with friends in Werribee South and saw the light as they were coming back from their early morning out on Port Phillip Bay.
“We tried to take photos with our phones but all you could see was black,” he said.
A possible explanation might be a Falcon 9 rocket that was launched by NASA from Cape Canaveral, Florida.