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Mark IV Data



Ever since I fixed the lead screw, we have had clear nights and I have been
taking data.  Four nights, and running most of the night.  This is as much
data as the Mark III collects in 40 or so nights.  The way I am running, I
get 3 measurements of each star in each filter each night.  Seems to me
that this is enough data already to test an analysis pipeline.  I will send
out sample data sequences on disk as soon as I can.

The data is pretty good, but not great.  There is a lot of sky brightness
here, particularly in the IR.

Tom Droege