Description This task will use the ut, date, exposure, ra, dec, ha, and epoch parameters, to calculate and add to your headers the mid-observation   UT (utmid), the sidereal time (ost), effective airmass (wairmass),  and Julian Date (jd).

Parameters for "headers"

                     Do an epar on headers and you will get:

"headers" Parameters

                     Make sure that the new parameters make sense. In particular, check that the new airmass is close to the original airmass, and that the julian date is correct.


Other Tasks:    -    chkhead    -    headers    -    ccd40    -    spread
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