[mithrandir (Andrew)]

At 13:08:44 apparently visible within a circle radius 3.7km from -33.6846 150.9309

That lat/lon is only metres from Bruce Purser Reserve, Commercial Rd, Kellyville.

There's another one April 18 11:23:47 with radius 3.1km around -33.8710 151.1803 - say Bicentennial Park, Glebe