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Preparing the FITS files
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Overview
^^^^^^^^

Preparing does overscan, blah blah more detail needed


Actual preparation
^^^^^^^^^^^^^^^^^^

1. The  `GMOSMOSRawFITS` now have a `prepare` function that will automatically call the `GMOSPrepareFrameSet` class with
sensible defaults (or you can give it a prepare-object). This will just return a fits file and make no changes to the Database

2. THE `GMOSMOSRawFITS` also has a `prepare_to_database`-function that will check if a prepared file already exists in the database.
if not it will automatically create one in the directory that is listed by the user. If a prepared file exists, one can override
with `force=True` and the old one will be deleted and new one created.