1. INTRODUCTION

2. THE ESSENCE SURVEY

3. DATA REDUCTION
3.1. Image Detrending
3.2. Astrometric Calibration
3.3. Flux Measurement
3.4. Photometric Calibration
3.5. Tertiary Catalogs and Zero Points
3.6. Image Subtraction

4. SPECTROSCOPY
4.1. Selection Criteria for Candidates

5. SN Ia LIGHT CURVES FROM THE ESSENCE SIX-YEAR SAMPLE
5.1. Light-Curve Shape and Color Distributions

6. SYSTEMATICS AFFECTING THE ESSENCE SURVEY PHOTOMETRY
6.1. Shutter Precision
6.2. Detector Linearity
6.3. Systematic Uncertainties with Image Detrending
6.4. Astrometric Uncertainties
6.5. Uncertainties in Determining the Airmass Relation
6.6. Uncertainties in Determining the Photometric Transformation to the Landolt System
6.7. Uncertainties in Extrapolating Photometric Zero Points
6.8. Uncertainties in Determining the Natural-System Magnitudes of BD+17°47°8
6.9. Uncertainties in the SED of BD+17°47°8

7. CONCLUSIONS