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Hubble Space Telescope
WFPC2 TIR Abstract

WFPC2 Technical Instrument Report 08-03:

An Update on Creating a Yearly WFPC2 Superbias

D. Thatte and J. Biretta

The procedure for producing a yearly superbias file from one hundred and twenty of the individual bias frames is discussed in this TIR . The individual images are taken during the year as part of the WFPC2 calibration plan. The file is used to calibrate all WFPC2 observations during the following year.

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