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GUI method

You can also use the IDL program CF_EDIT to combine your exposures. Open all the IDF files you want to combine. Don't forget to tell CF_EDIT to recalculate the Y centroids (see the CF_EDIT user manual) and save the result. With CF_EDIT, you can also align your exposures on a spectral feature as well as modify the screening parameters.

Bernard Godard 2004-11-04