Experienced astronomer and astrophotographer Paul Luckas of the Centre for Learning Technology at UWA has written an extensive guide for the brilliant astronomy software, Celestia.

This basic introduction to using Celestia has been produced by Paul Luckas from SPICE and used during Teacher PD in 2008. It has been made available for download courtesy of Astronomy WA.
You might also be interested in reading a review of Celestia previously posted on Astronomy WA.
Excerpt from the review:
Astronomers and space scientists are involved in a field of study that pushes the boundaries of human visualisation.
The universe is a large place, and attempting to have any sense of perspective on just how spectacularly large it is is likely to make your brain feel as if it has had a supernova crammed inside of it. To look out into the stars, see what others have seen, and do something new with that data is no easy feat. Read more.
