Changes
/* Window */
#''None'' - if you only need a single observation.
[[File:OcsVisibilityCadenceNone.png|600px|left|thumb|In this example, one observation is requested with no repeats. The visibility plot shows all the possible times that the observation may be scheduled within the specified start and end times of the window.]] <br clear=all>
#''Simple period'' - for multiple observations within the observing window, you can specify:
