Photo taken in Victoria, some time 8:45 PM 7th Oct - 12:45 AM 8th Oct.

Many more pics in the original post on FB: https://www.facebook.com/groups/auroraaustralia/posts/2064729400609152/

That group is great overall, and Arun is really dedicated in providing up to date information if you're interested in seeing the aurora. He published an Australian guide book about it in June this year.