1. INTRODUCTION

2. OBSERVATIONS
2.1. The JCMT Transient Survey
2.2. The JCMT Gould Belt Survey
2.3. Spitzer Space Telescope and Herschel Space Observatory YSO Catalogues

3. DATA REDUCTION AND IMAGE CALIBRATION
3.1. Data Reduction
3.2. Post-Reduction Alignment and Flux Calibration

4. RESULTS

5. DISCUSSION
5.1. Previously Known Signatures of Variability
5.2. The Period of the Submillimetre Variable EC 53

6. SUMMARY AND CONCLUSIONS