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 API Reference — Reference Frames
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The ``skyfield.framelib`` module
provides a number of standard reference frames,
whose use is described in `reference_frames`.

.. currentmodule:: skyfield.framelib

.. autoclass:: mean_equator_and_equinox_of_date

.. autoclass:: true_equator_and_equinox_of_date

.. autodata:: itrs

.. autodata:: ecliptic_frame

.. autodata:: ecliptic_J2000_frame

.. autodata:: galactic_frame
