[John W (John Wilkinson)]

Hi,
It is hard to get a job in Astronomy but you are basically employed by a university or CSIRO. Get a BSc degree in Physics/ Mathematics first then specialise in Astronomy. Since you are in Melbourne you might try Swinburne University - it has post grad courses / online courses in Astronomy - also speak to its Astronomy dept (Dr Sarah Maddison I think) - I'm sure they will be helpful. Good luck.
Dr John Wilkinson