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Procedure: ShARCS Darks Calibrations
The calculation for how long dark calibrations take is inaccurate, since it
does not include enough of the overhead of actually writing frames to disk.
It is not necessary to take darks with the same number of coadds as the data,
so darks can be more time efficient by doing, for example,
ten 180s exposures with 1 coadd, rather than doing ten with 2 coadds each.
Keep the total time it takes to do darks in the morning so that they are
complete by 8:30 am (the time at which a day tech is likely to come in to
fill dewars or start disconnecting power to take the instrument off the
telescope).
If dark calibrations are likely to take longer, send an e-mail to:
mh-techs@ucolick.org
informing of estimated time darks shall be completed so that instrumentation
is not disconnected before darks are complete.
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