Chapter 8: Calibration and Data Reduction In this chapter . . . Calibration Observations and Reference Data Flat Fields Dark Frames Bias Frames Data Products and Data Reduction Pipeline Processing On-The-Fly Reprocessing Systems Fluxes and Standard Magnitudes Color Transformations of Primary Filters Calibration Plan Summary Cycle 4 Calibration Plan Cycle 5 Calibration Plan Cycle 6 Calibration Plan Cycle 7 Calibration Plan Cycle 8 Calibration Plan Cycle 9 Calibration Plan Cycle 10 Calibration Plan Future Calibrations, Calibration by Observers, and Calibration Outsourcing Calibration Accuracy