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The signal-to-noise ratio and suitability of a particular spectrum for your
can be affected by a number of factors including the conditions of the
original observation, contamination of the spectral data during the observation,
and the subsequent image processing of the data. For more information on
observing with IUE and interpreting archival data see the IUE Observing
Guide, (in NASA IUE Newsletter 32), the IUE
Data Analysis Guide (in NASA IUE Newsletter 39),
and How to Use IUE Data (in Exploring the Universe
with the IUE Satellite, pp. 727-750).
This chapter is devoted to data quality issues that affect both IUESIPS and
NEWSIPS data. For processing configuration problems specific to IUESIPS
data, see Chapter 5.