Description : The task "chkhead" will simply use "hselect" to extract some critical parameters from the image headers and list the results on the screen. The task will check that the headers contain all the data that are needed for subsequent reductions, and present you with a listing of the relevant parameters. Check that all the parameters make sense.
Parameters for "chkhead"
An epar to the task chkhead will look like this:
Make sure that the various task parameters ("ut", date, "exposure", "ra", "dec", "ha", "epoch", "filter", "aperture", "grism", "tel") are set to the header keywords of the images that you want to reduce.
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