
Passbands from Pilar Ruiz-Lapuente email 06-Nov-2008
  photon sensitivity
  ALFOSC data looks like it was measured in the camera 
 
  do these data include detector+atmospher+aluminimum^2? we're using
  them as is for now.

  calibration is Vega-based (like SNLS) so we'll use Fukugita calibration

