Major revisions since Version 6.0 may be summarized as follows:
Serial Clocks: Added updated information on the CLOCKS=YES mode.
Filter Wheel Anomaly: Added updated information on the status of this anomalous rotational offset for many WFPC2 filters.
CTE and "Long vs. Short": Provided the most up-to-date correction formulae for the CTE effect; Presented the latest conclusions on the cause of the apparent "Long vs. Short" anomaly.
ETC: Described the new options available in the on-line Exposure Time Calculator.
Flat Fields: Described the latest flat field reference files and their improved accuracy.
Calibration Accuracy: Updated the overall accuracies achievable with the WFPC2 calibration.
Updated references and index.
Space Telescope Science Institute
http://www.stsci.edu
Voice: (410) 338-1082
help@stsci.edu