Home › Forums › Variable Stars › Error in ASIIMG FITS header › Which end
28 July 2021 at 9:41 pm #584535
Dr Paul Leyland
I could make a strong case for either end or the mid-exposure DATE-OBS. Perhaps the strongest is for the mid-point.
In practice it doesn’t really matter as (a) you are paying attention and (b) EXPTIME or EXPOSURE is also present and correct.