1 INTRODUCTION

2 THE DATA
2.1 The PS1 small area survey 2
2.2 PS1 magnitudes, flags and nomenclature
2.3 SDSS magnitudes and flags for the comparison sample
2.4 PS1 Medium Deep Data

3 ANGULAR MASKS AND FALSE POSITIVES

4 STAR/GALAXY SEPARATION

5 DEALING WITH VARIABLE DEPTH

6 RESULTS AND TESTS FOR SYSTEMATICS
6.1 Number Counts
6.2 Angular Clustering

7 DISCUSSION AND CONCLUSIONS