Date: The night report of each individual night can be found here.
Available hrs: The number of hours available per night.
Usable hrs: The difference between the hours available and the hours
lost. Note that we do not keep track of the overhead time, e.g. time spend
on calibration frames.
Lost hrs: Time lost due to adverse weather conditions or technical
problems.
Seeing: Observed range of seeing measurements during each night.
Weather: General description of the weather conditions during each
night of Service Observing.
Programs Executed: The names of the programs that have been observed
during each night of Service Observing.