This week was the Sun-Earth-Moon system. Lecture notes are here. (This is a 48MB PDF; huge because it contains movies and animations).
Click here to get the two page aurora spotting guide. Much smaller!
Some useful links for this week:
Wishing you clear skies!
Dr Adrian Jannetta
Guitar strummin' explorer of the universe. Mild mannered maths teacher by day and astronomer by night.