- Update to v1.43.1
  * An attempt at overly clever scripting resulted in a Skyfield
    1.43 release without a setup.py in its .tar.gz; within an hour,
    a Python 2.7 user had reported that Skyfield could no longer
    install. This release is identical to 1.43 but (hopefully)
    installs correctly for everyone!
- Changelog v1.43
  * Fixed planetary_magnitude() so it works for Saturn even when
    the time is an array rather than a single time; also, improved
    its calculation slightly with respect to Uranus. #739
  * Improved load_comets_dataframe() so that parsing CometEls.txt
    with the most recent version of Pandas doesn’t stumble over the
    commas in the final field of (for example) Halley’s Comet and
    give the error ParserError: Error tokenizing data. C error:
    Expected 12 fields…saw 13. #707
- Changelog v1.42
  * Added two new position methods phase_angle() and
    fraction_illuminated() that, given an illuminator (usually the
    Sun) as their argument, compute whether the observer is looking
    at the bright side or the dark side of the target body. They
    replace a pair of old functions in the almanac module.
  * The almanac routine moon_nodes() would sometimes skip nodes
    that were closer together than 14.0 days. It has been tightened
    down and should now detect all lunar nodes. #662
  * Time objects now feature a to_astropy() method.
  * The position method to_skycoord() now sets the frame attribute
    of the sky coordinate it returns, and for now only supports
    barycentric and geocentric positions. #577
- Changelog v1.41
  * Times now support arithmetic: you can add or subtract from a

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