However 40 years ago was 1983 so unlikely to be same event.
https://trove.nla.gov.au/newspaper/article/127209576?searchT...
mentions:
“On June 19 last, a brilliant fireball was seen over a large part of NSW and the ACT”
…from 1985 referring back to 1984.
But most newspapers from that era not searchable yet. We have to get older first.
However 40 years ago was 1983 so unlikely to be same event.