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Field of Regard Constraints (`m4opt.constraints`)
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The field of regard is the region of the sky that a detector is allowed to
point at. These classes model various constraints on the field of regard, as
functions of the location of the detector in space (an
:class:`~astropy.coordinates.EarthLocation` instance), the target at which the
detector is pointed (a :class:`~astropy.coordinates.SkyCoord` instance), and
the time of the observation (a :class:`~astropy.time.Time` instance).

.. automodapi:: m4opt.constraints