WFPC2 Technical Instrument Report 05-04:
Creating a WFPC2 Yearly Superdark
-M. Richardson and J. Biretta
This TIR describes the process for producing a yearly superdark file from one hundred and twenty of the individual weekly dark images taken during the year as part of the WFPC2 calibration plan. This file is used to produce weekly dark calibration files that are used to calibrate all WFPC2 observations throughout the following year.