Changes
SHOC
,/* FITS Header Keywords */
|PREAMP = 1. / Pre Amplifier Gain
| This corresponds to the 1, ~2.5x, or ~5x gain setting.
See keyword SNTVTY or the camera spec sheets for corresponding e/ADU conversions,
at http://shoc.saao.ac.za/Documents/iXon.X5982.SpecSheet.pdf