for a polarization observation
= number of stabilization exposures is found in
Figures 
and or with the formulae
in paragraphs and for the flux
step between the previous observation and the flux on the free
hole. It is applied only once, at the beginning of the measurements
on the free hole.
When passing from the free hole to the first polarizer, there is
again a flux step between the fluxes FROM = (zodi + source) and TO
= 
. The system forces an additional cycle
(counted in the overheads) to 
to take care of the
stabilization for this step, so that the actual number of cycles
performed during an observation is + 1.
