Thanks heaps mate! I'll have a look at that part but this is what I have got so far:
http://tinyurl.com/latyy5h
Edit: Five Dock -> Sydney Observatory -> Parkes -> Coonabarabran ->
Siding Spring Observatory -> Narrabri -> Mount Kaputar National Park
More planned:
1. Pick up mates
2. Check out Sydney Observatory before leaving
3. Drive to Parkes (Stop in See and drive on the Bathurst track!)
4. Check out CSIRO Parkes Observatory (Camp the night)
5. Drive to Coonabarabran, check out Observatory
6. Drive to Siding Spring Observatory and check it out (Camp the night)
7. Drive to Narrabi and check out Australia Telescope Compact Array
8. Drive to Mt Kaputar Nationa Park - Rent a Cabin.
9. Drive to Brisbane.