1. Introduction  
2. Data Acquisition and Analysis  
2.1. The Panchromatic Hubble Andromeda Treasury  
2.2. Identifying PNe in PHAT  
3. Results  
3.1. Planetary Nebula Luminosity Function  
3.2. CMD Distributions of the PHAT PNe  
3.3. Excitation Classification  
4. Discussion  
4.1. Extinction  
4.2. PNLF  
4.3. Excitation Classification and PN Evolution  
4.4. Spectral Energy Distributions  
4.5. Resolved PNe and Size Estimates  
5. Summary