Key words asteroids, ephemerides, methods: data analysis, astronomical databases: miscellaneous

1 Introduction

2 Data Mining of the CFHTLS
2.1 CFHT Legacy Survey
2.2 Searching for NEAs using PRECOVERY
2.3 Inspection of the Candidate Images
2.4 Uncertain Identification from Few Observations
2.5 Field Correction and Measurement

3 Results
3.1 Astrometry
3.2 Amelioration of Orbits

4 Future Work
4.1 The Archives ESO/WFI and INT/WFC
4.2 MEGA-PRECOVERY and the Mega-Archive