Hi Andrew
And
from another Cairns resident
If you have transport and your scope will fit in it, take it up on to the tablelands! Took my 8" over to Chillagoe a couple of weekends ago, way better visibility - much less heat/humidity haze.
But you're going to love it in the dry when the galactic center is overhead, absolutely awesome through a scope
What to look at now? Saturn early in the morning, after the Moon has set perhaps? I keep meaning to