Short Introduction to Cosmic Ray and Y-Ray Astronomy.- The Imaging Atmospheric Cherenkov Technique and the IACTs MAGIC and CTA.- Single Telescope Trigger for CTA.- The Topo-trigger: A New Stereo Trigger for Lowering the Energy Threshold Of IACTs.- Introduction to Pulsar Wind Nebulae.- The Crab Nebula: a Gamma-Ray Factory in our Backyard.- The Puzzling PWN 3C 58.- Introduction to Cataclysmic Variable Stars.- Multiwavelength Campaign on AE Aquarii.-...